
/****************************************************************
*                                                              *
*  curvyCorners                                                *
*  ------------                                                *
*                                                              *
*  This script generates rounded corners for your divs.        *
*                                                              *
*  Version 1.2.9                                               *
*  Copyright (c) 2006 Cameron Cooke                            *
*  By: Cameron Cooke and Tim Hutchison.                        *
*                                                              *
*                                                              *
*  Website: http://www.curvycorners.net                        *
*  Email:   info@totalinfinity.com                             *
*  Forum:   http://www.curvycorners.net/forum/                 *
*                                                              *
*                                                              *
*  This library is free software; you can redistribute         *
*  it and/or modify it under the terms of the GNU              *
*  Lesser General Public License as published by the           *
*  Free Software Foundation; either version 2.1 of the         *
*  License, or (at your option) any later version.             *
*                                                              *
*  This library is distributed in the hope that it will        *
*  be useful, but WITHOUT ANY WARRANTY; without even the       *
*  implied warranty of MERCHANTABILITY or FITNESS FOR A        *
*  PARTICULAR PURPOSE. See the GNU Lesser General Public       *
*  License for more details.                                   *
*                                                              *
*  You should have received a copy of the GNU Lesser           *
*  General Public License along with this library;             *
*  Inc., 59 Temple Place, Suite 330, Boston,                   *
*  MA 02111-1307 USA                                           *
*                                                              *
****************************************************************/

// Browser detection
var isIE = navigator.userAgent.toLowerCase().indexOf("msie") > -1;
var isMoz = document.implementation && document.implementation.createDocument;
var isSafari = ((navigator.userAgent.toLowerCase().indexOf('safari') != -1) && (navigator.userAgent.toLowerCase().indexOf('mac') != -1)) ? true : false;

/*
Usage:

newCornersObj = new curvyCorners(settingsObj, "classNameStr");
newCornersObj = new curvyCorners(settingsObj, divObj1[, divObj2[, divObj3[, . . . [, divObjN]]]]);
*/
function curvyCorners() {
    // Check parameters
    if (typeof (arguments[0]) != "object") throw newCurvyError("First parameter of curvyCorners() must be an object.");
    if (typeof (arguments[1]) != "object" && typeof (arguments[1]) != "string") throw newCurvyError("Second parameter of curvyCorners() must be an object or a class name.");

    // Get object(s)
    if (typeof (arguments[1]) == "string") {
        // Get elements by class name
        var startIndex = 0;
        var boxCol = getElementsByClass(arguments[1]);
    }
    else {
        // Get objects
        var startIndex = 1;
        var boxCol = arguments;
    }

    // Create return collection/object
    var curvyCornersCol = new Array();

    // Create array of html elements that can have rounded corners
    if (arguments[0].validTags)
        var validElements = arguments[0].validTags;
    else
        var validElements = ["div"]; // Default

    // Loop through each argument
    for (var i = startIndex, j = boxCol.length; i < j; i++) {
        // Current element tag name
        var currentTag = boxCol[i].tagName.toLowerCase();

        if (inArray(validElements, currentTag) !== false) {
            curvyCornersCol[curvyCornersCol.length] = new curvyObject(arguments[0], boxCol[i]);
        }
    }

    this.objects = curvyCornersCol;

    // Applys the curvyCorners to all objects
    this.applyCornersToAll = function() {
        for (var x = 0, k = this.objects.length; x < k; x++) {
            this.objects[x].applyCorners();
        }
    }
}

// curvyCorners object (can be called directly)
function curvyObject() {
    // Setup Globals
    this.box = arguments[1];
    this.settings = arguments[0];
    this.topContainer = null;
    this.bottomContainer = null;
    this.masterCorners = new Array();
    this.contentDIV = null;

    // Get box formatting details
    var boxHeight = get_style(this.box, "height", "height");
    var boxWidth = get_style(this.box, "width", "width");
    var borderWidth = get_style(this.box, "borderBottomWidth", "border-Bottom-width");
    var borderColour = get_style(this.box, "borderBottomColor", "border-bottom-color");
    var boxColour = get_style(this.box, "backgroundColor", "background-color");
    var backgroundImage = get_style(this.box, "backgroundImage", "background-image");
    var boxPosition = get_style(this.box, "position", "position");
    var boxPadding = get_style(this.box, "paddingTop", "padding-top");

    // Set formatting propertes
    this.boxHeight = parseInt(((boxHeight != "" && boxHeight != "auto" && boxHeight.indexOf("%") == -1) ? boxHeight.substring(0, boxHeight.indexOf("px")) : this.box.scrollHeight));
    this.boxWidth = parseInt(((boxWidth != "" && boxWidth != "auto" && boxWidth.indexOf("%") == -1) ? boxWidth.substring(0, boxWidth.indexOf("px")) : this.box.scrollWidth));
    this.borderWidth = parseInt(((borderWidth != "" && borderWidth.indexOf("px") !== -1) ? borderWidth.slice(0, borderWidth.indexOf("px")) : 0));
    this.boxColour = format_colour(boxColour);
    this.boxPadding = parseInt(((boxPadding != "" && boxPadding.indexOf("px") !== -1) ? boxPadding.slice(0, boxPadding.indexOf("px")) : 0));
    this.borderColour = format_colour(borderColour);
    this.borderString = this.borderWidth + "px" + " solid " + this.borderColour;
    this.backgroundImage = ((backgroundImage != "none") ? backgroundImage : "");
    this.boxContent = this.box.innerHTML;

    // Make box relative if not already absolute and remove any padding
    if (boxPosition != "absolute") this.box.style.position = "relative";
    this.box.style.padding = "0px";

    // If IE and height and width are not set, we need to set width so that we get positioning
    //if (isIE && boxWidth == "auto" && boxHeight == "auto") this.box.style.width = "100%";

    // Resize box so that it stays to the orignal height


    // Remove content if box is using autoPad
    if (this.settings.autoPad == true && this.boxPadding > 0)
        this.box.innerHTML = "";

    /*
    This method creates the corners and
    applies them to the div element.
    */
    this.applyCorners = function() {
        /*
        Create top and bottom containers.
        These will be used as a parent for the corners and bars.
        */
        for (var t = 0; t < 2; t++) {
            switch (t) {
                // Top        
                case 0:

                    // Only build top bar if a top corner is to be draw
                    if (this.settings.tl || this.settings.tr) {
                        var newMainContainer = document.createElement("DIV");
                        newMainContainer.id = "div1";
                        newMainContainer.style.width = "100%";
                        newMainContainer.style.fontSize = "1px";
                        newMainContainer.style.overflow = "hidden";
                        newMainContainer.style.position = "absolute";
                        newMainContainer.style.paddingLeft = this.borderWidth + "px";
                        newMainContainer.style.paddingRight = this.borderWidth + "px";
                        var topMaxRadius = Math.max(this.settings.tl ? this.settings.tl.radius : 0, this.settings.tr ? this.settings.tr.radius : 0);
                        newMainContainer.style.height = topMaxRadius + "px";
                        newMainContainer.style.top = 0 - topMaxRadius + "px";
                        newMainContainer.style.left = 0 - this.borderWidth + "px";
                        this.topContainer = this.box.appendChild(newMainContainer);
                    }
                    break;

                // Bottom        
                case 1:

                    // Only build bottom bar if a top corner is to be draw
                    if (this.settings.bl || this.settings.br) {
                        var newMainContainer = document.createElement("DIV");
                        newMainContainer.id = "div2";
                        newMainContainer.style.width = "100%";
                        newMainContainer.style.fontSize = "1px";
                        newMainContainer.style.overflow = "hidden";
                        newMainContainer.style.position = "absolute";
                        newMainContainer.style.paddingLeft = this.borderWidth + "px";
                        newMainContainer.style.paddingRight = this.borderWidth + "px";
                        var botMaxRadius = Math.max(this.settings.bl ? this.settings.bl.radius : 0, this.settings.br ? this.settings.br.radius : 0);
                        newMainContainer.style.height = botMaxRadius + "px";
                        newMainContainer.style.bottom = 0 - botMaxRadius + "px";
                        newMainContainer.style.left = 0 - this.borderWidth + "px";
                        this.bottomContainer = this.box.appendChild(newMainContainer);
                    }
                    break;
            }
        }

        // Turn off current borders
        if (this.topContainer) this.box.style.borderTopWidth = "0px";
        if (this.bottomContainer) this.box.style.borderBottomWidth = "0px";

        // Create array of available corners
        var corners = ["tr", "tl", "br", "bl"];

        /*
        Loop for each corner
        */
        for (var i in corners) {
            // FIX for prototype lib
            if (i > -1 < 4) {
                // Get current corner type from array
                var cc = corners[i];

                // Has the user requested the currentCorner be round?
                if (!this.settings[cc]) {
                    // No
                    if (((cc == "tr" || cc == "tl") && this.topContainer != null) || ((cc == "br" || cc == "bl") && this.bottomContainer != null)) {
                        // We need to create a filler div to fill the space upto the next horzontal corner.
                        var newCorner = document.createElement("DIV");
                        newCorner.id = "div3";
                        // Setup corners properties
                        newCorner.style.position = "relative";
                        newCorner.style.fontSize = "1px";
                        newCorner.style.overflow = "hidden";

                        // Add background image?
                        if (this.backgroundImage == "")
                            newCorner.style.backgroundColor = this.boxColour;
                        else
                            newCorner.style.backgroundImage = this.backgroundImage;

                        switch (cc) {
                            case "tl":
                                newCorner.style.height = topMaxRadius - this.borderWidth + "px";
                                newCorner.style.marginRight = this.settings.tr.radius - (this.borderWidth * 2) + "px";
                                newCorner.style.borderLeft = this.borderString;
                                newCorner.style.borderTop = this.borderString;
                                newCorner.style.left = -this.borderWidth + "px";
                                break;

                            case "tr":
                                newCorner.style.height = topMaxRadius - this.borderWidth + "px";
                                newCorner.style.marginLeft = this.settings.tl.radius - (this.borderWidth * 2) + "px";
                                newCorner.style.borderRight = this.borderString;
                                newCorner.style.borderTop = this.borderString;
                                newCorner.style.backgroundPosition = "-" + (topMaxRadius + this.borderWidth) + "px 0px";
                                newCorner.style.left = this.borderWidth + "px";
                                break;

                            case "bl":
                                newCorner.style.height = botMaxRadius - this.borderWidth + "px";
                                newCorner.style.marginRight = this.settings.br.radius - (this.borderWidth * 2) + "px";
                                newCorner.style.borderLeft = this.borderString;
                                newCorner.style.borderBottom = this.borderString;
                                newCorner.style.left = -this.borderWidth + "px";
                                newCorner.style.backgroundPosition = "-" + (this.borderWidth) + "px -" + (this.boxHeight + (botMaxRadius + this.borderWidth)) + "px";
                                break;

                            case "br":
                                newCorner.style.height = botMaxRadius - this.borderWidth + "px";
                                newCorner.style.marginLeft = this.settings.bl.radius - (this.borderWidth * 2) + "px";
                                newCorner.style.borderRight = this.borderString;
                                newCorner.style.borderBottom = this.borderString;
                                newCorner.style.left = this.borderWidth + "px"
                                newCorner.style.backgroundPosition = "-" + (botMaxRadius + this.borderWidth) + "px -" + (this.boxHeight + (botMaxRadius + this.borderWidth)) + "px";
                                break;
                        }
                    }
                }
                else {
                    /*
                    PERFORMANCE NOTE:

                      If more than one corner is requested and a corner has been already
                    created for the same radius then that corner will be used as a master and cloned.
                    The pixel bars will then be repositioned to form the new corner type.
                    All new corners start as a bottom right corner.
                    */
                    if (this.masterCorners[this.settings[cc].radius]) {
                        // Create clone of the master corner
                        var newCorner = this.masterCorners[this.settings[cc].radius].cloneNode(true);
                    }
                    else {
                        // Yes, we need to create a new corner
                        var newCorner = document.createElement("DIV");
                        newCorner.id = "div4";
                        newCorner.style.height = this.settings[cc].radius + "px";
                        newCorner.style.width = this.settings[cc].radius + "px";
                        newCorner.style.position = "absolute";
                        newCorner.style.fontSize = "1px";
                        newCorner.style.overflow = "hidden";

                        // THE FOLLOWING BLOCK OF CODE CREATES A ROUNDED CORNER
                        // ---------------------------------------------------- TOP

                        // Get border radius
                        var borderRadius = parseInt(this.settings[cc].radius - this.borderWidth);

                        // Cycle the x-axis
                        for (var intx = 0, j = this.settings[cc].radius; intx < j; intx++) {
                            // Calculate the value of y1 which identifies the pixels inside the border
                            if ((intx + 1) >= borderRadius)
                                var y1 = -1;
                            else
                                var y1 = (Math.floor(Math.sqrt(Math.pow(borderRadius, 2) - Math.pow((intx + 1), 2))) - 1);

                            // Only calculate y2 and y3 if there is a border defined
                            if (borderRadius != j) {
                                if ((intx) >= borderRadius)
                                    var y2 = -1;
                                else
                                    var y2 = Math.ceil(Math.sqrt(Math.pow(borderRadius, 2) - Math.pow(intx, 2)));

                                if ((intx + 1) >= j)
                                    var y3 = -1;
                                else
                                    var y3 = (Math.floor(Math.sqrt(Math.pow(j, 2) - Math.pow((intx + 1), 2))) - 1);
                            }

                            // Calculate y4
                            if ((intx) >= j)
                                var y4 = -1;
                            else
                                var y4 = Math.ceil(Math.sqrt(Math.pow(j, 2) - Math.pow(intx, 2)));

                            // Draw bar on inside of the border with foreground colour
                            if (y1 > -1) this.drawPixel(intx, 0, this.boxColour, 100, (y1 + 1), newCorner, -1, this.settings[cc].radius);

                            // Only draw border/foreground antialiased pixels and border if there is a border defined
                            if (borderRadius != j) {
                                // Cycle the y-axis
                                for (var inty = (y1 + 1); inty < y2; inty++) {
                                    // Draw anti-alias pixels
                                    if (this.settings.antiAlias) {
                                        // For each of the pixels that need anti aliasing between the foreground and border colour draw single pixel divs
                                        if (this.backgroundImage != "") {
                                            var borderFract = (pixelFraction(intx, inty, borderRadius) * 100);

                                            if (borderFract < 30) {
                                                this.drawPixel(intx, inty, this.borderColour, 100, 1, newCorner, 0, this.settings[cc].radius);
                                            }
                                            else {
                                                this.drawPixel(intx, inty, this.borderColour, 100, 1, newCorner, -1, this.settings[cc].radius);
                                            }
                                        }
                                        else {
                                            var pixelcolour = BlendColour(this.boxColour, this.borderColour, pixelFraction(intx, inty, borderRadius));
                                            this.drawPixel(intx, inty, pixelcolour, 100, 1, newCorner, 0, this.settings[cc].radius, cc);
                                        }
                                    }
                                }

                                // Draw bar for the border
                                if (this.settings.antiAlias) {
                                    if (y3 >= y2) {
                                        if (y2 == -1) y2 = 0;
                                        this.drawPixel(intx, y2, this.borderColour, 100, (y3 - y2 + 1), newCorner, 0, 0);
                                    }
                                }
                                else {
                                    if (y3 >= y1) {
                                        this.drawPixel(intx, (y1 + 1), this.borderColour, 100, (y3 - y1), newCorner, 0, 0);
                                    }
                                }

                                // Set the colour for the outside curve
                                var outsideColour = this.borderColour;
                            }
                            else {
                                // Set the coour for the outside curve
                                var outsideColour = this.boxColour;
                                var y3 = y1;
                            }

                            // Draw aa pixels?
                            if (this.settings.antiAlias) {
                                // Cycle the y-axis and draw the anti aliased pixels on the outside of the curve
                                for (var inty = (y3 + 1); inty < y4; inty++) {
                                    // For each of the pixels that need anti aliasing between the foreground/border colour & background draw single pixel divs
                                    this.drawPixel(intx, inty, outsideColour, (pixelFraction(intx, inty, j) * 100), 1, newCorner, ((this.borderWidth > 0) ? 0 : -1), this.settings[cc].radius);
                                }
                            }
                        }

                        // END OF CORNER CREATION
                        // ---------------------------------------------------- END

                        // We now need to store the current corner in the masterConers array
                        this.masterCorners[this.settings[cc].radius] = newCorner.cloneNode(true);
                    }

                    /*
                    Now we have a new corner we need to reposition all the pixels unless
                    the current corner is the bottom right.
                    */
                    if (cc != "br") {
                        // Loop through all children (pixel bars)
                        for (var t = 0, k = newCorner.childNodes.length; t < k; t++) {
                            // Get current pixel bar
                            var pixelBar = newCorner.childNodes[t];

                            // Get current top and left properties
                            var pixelBarTop = parseInt(pixelBar.style.top.substring(0, pixelBar.style.top.indexOf("px")));
                            var pixelBarLeft = parseInt(pixelBar.style.left.substring(0, pixelBar.style.left.indexOf("px")));
                            var pixelBarHeight = parseInt(pixelBar.style.height.substring(0, pixelBar.style.height.indexOf("px")));

                            // Reposition pixels
                            if (cc == "tl" || cc == "bl") {
                                pixelBar.style.left = this.settings[cc].radius - pixelBarLeft - 1 + "px"; // Left
                            }
                            if (cc == "tr" || cc == "tl") {
                                pixelBar.style.top = this.settings[cc].radius - pixelBarHeight - pixelBarTop + "px"; // Top
                            }

                            switch (cc) {
                                case "tr":
                                    pixelBar.style.backgroundPosition = "-" + Math.abs((this.boxWidth - this.settings[cc].radius + this.borderWidth) + pixelBarLeft) + "px -" + Math.abs(this.settings[cc].radius - pixelBarHeight - pixelBarTop - this.borderWidth) + "px";
                                    break;

                                case "tl":
                                    pixelBar.style.backgroundPosition = "-" + Math.abs((this.settings[cc].radius - pixelBarLeft - 1) - this.borderWidth) + "px -" + Math.abs(this.settings[cc].radius - pixelBarHeight - pixelBarTop - this.borderWidth) + "px";
                                    break;

                                case "bl":
                                    pixelBar.style.backgroundPosition = "-" + Math.abs((this.settings[cc].radius - pixelBarLeft - 1) - this.borderWidth) + "px -" + Math.abs((this.boxHeight + this.settings[cc].radius + pixelBarTop) - this.borderWidth) + "px";
                                    break;
                            }
                        }
                    }
                }

                if (newCorner) {
                    // Position the container
                    switch (cc) {
                        case "tl":
                            if (newCorner.style.position == "absolute") newCorner.style.top = "0px";
                            if (newCorner.style.position == "absolute") newCorner.style.left = "0px";
                            if (this.topContainer) this.topContainer.appendChild(newCorner);
                            break;

                        case "tr":
                            if (newCorner.style.position == "absolute") newCorner.style.top = "0px";
                            if (newCorner.style.position == "absolute") newCorner.style.right = "0px";
                            if (this.topContainer) this.topContainer.appendChild(newCorner);
                            break;

                        case "bl":
                            if (newCorner.style.position == "absolute") newCorner.style.bottom = "0px";
                            if (newCorner.style.position == "absolute") newCorner.style.left = "0px";
                            if (this.bottomContainer) this.bottomContainer.appendChild(newCorner);
                            break;

                        case "br":
                            if (newCorner.style.position == "absolute") newCorner.style.bottom = "0px";
                            if (newCorner.style.position == "absolute") newCorner.style.right = "0px";
                            if (this.bottomContainer) this.bottomContainer.appendChild(newCorner);
                            break;
                    }
                }
            }
        }

        /*
        The last thing to do is draw the rest of the filler DIVs.
        We only need to create a filler DIVs when two corners have
        diffrent radiuses in either the top or bottom container.
        */

        // Find out which corner has the biiger radius and get the difference amount
        var radiusDiff = new Array();
        radiusDiff["t"] = Math.abs(this.settings.tl.radius - this.settings.tr.radius)
        radiusDiff["b"] = Math.abs(this.settings.bl.radius - this.settings.br.radius);

        for (z in radiusDiff) {
            // FIX for prototype lib
            if (z == "t" || z == "b") {
                if (radiusDiff[z]) {
                    // Get the type of corner that is the smaller one

                    var smallerCornerType = ((this.settings[z + "l"].radius < this.settings[z + "r"].radius) ? z + "l" : z + "r");

                    // First we need to create a DIV for the space under the smaller corner
                    var newFiller = document.createElement("DIV");
                    newFiller.id = "div6";
                    newFiller.style.height = radiusDiff[z] + "px";
                    newFiller.style.width = this.settings[smallerCornerType].radius + "px"
                    newFiller.style.position = "absolute";
                    newFiller.style.fontSize = "1px";
                    newFiller.style.overflow = "hidden";
                    newFiller.style.backgroundColor = this.boxColour;
                    //newFiller.style.backgroundColor = get_random_color();

                    // Position filler
                    switch (smallerCornerType) {
                        case "tl":
                            newFiller.style.bottom = "0px";
                            newFiller.style.left = "0px";
                            newFiller.style.borderLeft = this.borderString;
                            this.topContainer.appendChild(newFiller);
                            break;

                        case "tr":
                            newFiller.style.bottom = "0px";
                            newFiller.style.right = "0px";
                            newFiller.style.borderRight = this.borderString;
                            this.topContainer.appendChild(newFiller);
                            break;

                        case "bl":
                            newFiller.style.top = "0px";
                            newFiller.style.left = "0px";
                            newFiller.style.borderLeft = this.borderString;
                            this.bottomContainer.appendChild(newFiller);
                            break;

                        case "br":
                            newFiller.style.top = "0px";
                            newFiller.style.right = "0px";
                            newFiller.style.borderRight = this.borderString;
                            this.bottomContainer.appendChild(newFiller);
                            break;
                    }
                }

                // Create the bar to fill the gap between each corner horizontally
                var newFillerBar = document.createElement("DIV");
                newFillerBar.id = "div7";
                newFillerBar.style.position = "relative";
                newFillerBar.style.fontSize = "1px";
                newFillerBar.style.overflow = "hidden";
                newFillerBar.style.backgroundColor = this.boxColour;
                // newFillerBar.style.backgroundImage = this.backgroundImage;

                switch (z) {
                    case "t":
                        // Top Bar
                        if (this.topContainer) {
                            // Edit by Asger Hallas: Check if settings.xx.radius is not false
                            if (this.settings.tl.radius && this.settings.tr.radius) {
                                newFillerBar.style.height = topMaxRadius - this.borderWidth + "px";
                                newFillerBar.style.marginLeft = this.settings.tl.radius - this.borderWidth + "px";
                                newFillerBar.style.marginRight = this.settings.tr.radius - this.borderWidth + "px";
                                newFillerBar.style.borderTop = this.borderString;

                                if (this.backgroundImage != "")
                                    newFillerBar.style.backgroundPosition = "-" + (topMaxRadius + this.borderWidth) + "px 0px";

                                this.topContainer.appendChild(newFillerBar);
                            }

                            //                              // Repos the boxes background image
                            //                              
                            //                              this.box.style.backgroundPosition      = "0px -" + (topMaxRadius - this.borderWidth) + "px";
                        }
                        break;

                    case "b":
                        if (this.bottomContainer) {
                            // Edit by Asger Hallas: Check if settings.xx.radius is not false
                            //if (this.settings.bl.radius && this.settings.br.radius) {
                            // Bottom Bar
                            newFillerBar.style.height = botMaxRadius - this.borderWidth + "px";
                            newFillerBar.style.marginLeft = this.settings.bl.radius - this.borderWidth + "px";
                            newFillerBar.style.marginRight = this.settings.br.radius - this.borderWidth + "px";
                            newFillerBar.style.borderBottom = this.borderString;

                            if (this.backgroundImage != "")
                                newFillerBar.style.backgroundPosition = "-" + (botMaxRadius + this.borderWidth) + "px -" + (this.boxHeight + (topMaxRadius + this.borderWidth)) + "px";

                            this.bottomContainer.appendChild(newFillerBar);
                            //}
                        }
                        break;
                }
            }
        }

        /*
        AutoPad! apply padding if set.
        */
        if (this.settings.autoPad == true && this.boxPadding > 0) {
            // Create content container
            var contentContainer = document.createElement("DIV");
            contentContainer.id = "div9";
            // Set contentContainer's properties
            contentContainer.style.position = "relative";
            contentContainer.innerHTML = this.boxContent;
            contentContainer.className = "autoPadDiv";

            // Get padding amounts
            var topPadding = Math.abs(topMaxRadius - this.boxPadding);
            var botPadding = Math.abs(botMaxRadius - this.boxPadding);

            // Apply top padding
            if (topMaxRadius < this.boxPadding)
                contentContainer.style.paddingTop = topPadding + "px";

            // Apply Bottom padding
            if (botMaxRadius < this.boxPadding)
                contentContainer.style.paddingBottom = botMaxRadius + "px";

            // Apply left and right padding
            contentContainer.style.paddingLeft = this.boxPadding + "px";
            contentContainer.style.paddingRight = this.boxPadding + "px";

            // Append contentContainer
            this.contentDIV = this.box.appendChild(contentContainer);
            this.contentDIV.id = "content";
        }
    }

    /*
    This function draws the pixles
    */
    this.drawPixel = function(intx, inty, colour, transAmount, height, newCorner, image, cornerRadius) {
        // Create pixel
        var pixel = document.createElement("DIV");
        pixel.id = "pixel23";
        pixel.style.height = height + "px";
        pixel.style.width = "1px";
        pixel.style.position = "absolute";
        pixel.style.fontSize = "1px";
        pixel.style.overflow = "hidden";

        // Max Top Radius
        var topMaxRadius = Math.max(this.settings["tr"].radius, this.settings["tl"].radius);

        // Dont apply background image to border pixels
        //        if (image == -1 && this.backgroundImage != "") {
        //            pixel.style.backgroundImage = this.backgroundImage;
        //            pixel.style.backgroundPosition = "-" + (this.boxWidth - (cornerRadius - intx) + this.borderWidth) + "px -" + ((this.boxHeight + topMaxRadius + inty) - this.borderWidth) + "px";
        //        }
        //        else {
        pixel.style.backgroundColor = colour;
        //        }

        // Set opacity if the transparency is anything other than 100
        if (transAmount != 100)
            setOpacity(pixel, transAmount);

        // Set the pixels position
        pixel.style.top = inty + "px";
        pixel.style.left = intx + "px";

        newCorner.appendChild(pixel);
    }
}

// ------------- UTILITY FUNCTIONS

// Inserts a element after another
function insertAfter(parent, node, referenceNode) {
    parent.insertBefore(node, referenceNode.nextSibling);
}

/*
Blends the two colours by the fraction
returns the resulting colour as a string in the format "#FFFFFF"
*/
function BlendColour(Col1, Col2, Col1Fraction) {
    var red1 = parseInt(Col1.substr(1, 2), 16);
    var green1 = parseInt(Col1.substr(3, 2), 16);
    var blue1 = parseInt(Col1.substr(5, 2), 16);
    var red2 = parseInt(Col2.substr(1, 2), 16);
    var green2 = parseInt(Col2.substr(3, 2), 16);
    var blue2 = parseInt(Col2.substr(5, 2), 16);

    if (Col1Fraction > 1 || Col1Fraction < 0) Col1Fraction = 1;

    var endRed = Math.round((red1 * Col1Fraction) + (red2 * (1 - Col1Fraction)));
    if (endRed > 255) endRed = 255;
    if (endRed < 0) endRed = 0;

    var endGreen = Math.round((green1 * Col1Fraction) + (green2 * (1 - Col1Fraction)));
    if (endGreen > 255) endGreen = 255;
    if (endGreen < 0) endGreen = 0;

    var endBlue = Math.round((blue1 * Col1Fraction) + (blue2 * (1 - Col1Fraction)));
    if (endBlue > 255) endBlue = 255;
    if (endBlue < 0) endBlue = 0;

    return "#" + IntToHex(endRed) + IntToHex(endGreen) + IntToHex(endBlue);
}

/*
Converts a number to hexadecimal format
*/
function IntToHex(strNum) {
    base = strNum / 16;
    rem = strNum % 16;
    base = base - (rem / 16);
    baseS = MakeHex(base);
    remS = MakeHex(rem);

    return baseS + '' + remS;
}


/*
gets the hex bits of a number
*/
function MakeHex(x) {
    if ((x >= 0) && (x <= 9)) {
        return x;
    }
    else {
        switch (x) {
            case 10: return "A";
            case 11: return "B";
            case 12: return "C";
            case 13: return "D";
            case 14: return "E";
            case 15: return "F";
        }
    }
}


/*
For a pixel cut by the line determines the fraction of the pixel on the 'inside' of the
line.  Returns a number between 0 and 1
*/
function pixelFraction(x, y, r) {
    var pixelfraction = 0;

    /*
    determine the co-ordinates of the two points on the perimeter of the pixel that the
    circle crosses
    */
    var xvalues = new Array(1);
    var yvalues = new Array(1);
    var point = 0;
    var whatsides = "";

    // x + 0 = Left
    var intersect = Math.sqrt((Math.pow(r, 2) - Math.pow(x, 2)));

    if ((intersect >= y) && (intersect < (y + 1))) {
        whatsides = "Left";
        xvalues[point] = 0;
        yvalues[point] = intersect - y;
        point = point + 1;
    }
    // y + 1 = Top
    var intersect = Math.sqrt((Math.pow(r, 2) - Math.pow(y + 1, 2)));

    if ((intersect >= x) && (intersect < (x + 1))) {
        whatsides = whatsides + "Top";
        xvalues[point] = intersect - x;
        yvalues[point] = 1;
        point = point + 1;
    }
    // x + 1 = Right
    var intersect = Math.sqrt((Math.pow(r, 2) - Math.pow(x + 1, 2)));

    if ((intersect >= y) && (intersect < (y + 1))) {
        whatsides = whatsides + "Right";
        xvalues[point] = 1;
        yvalues[point] = intersect - y;
        point = point + 1;
    }
    // y + 0 = Bottom
    var intersect = Math.sqrt((Math.pow(r, 2) - Math.pow(y, 2)));

    if ((intersect >= x) && (intersect < (x + 1))) {
        whatsides = whatsides + "Bottom";
        xvalues[point] = intersect - x;
        yvalues[point] = 0;
    }

    /*
    depending on which sides of the perimeter of the pixel the circle crosses calculate the
    fraction of the pixel inside the circle
    */
    switch (whatsides) {
        case "LeftRight":
            pixelfraction = Math.min(yvalues[0], yvalues[1]) + ((Math.max(yvalues[0], yvalues[1]) - Math.min(yvalues[0], yvalues[1])) / 2);
            break;

        case "TopRight":
            pixelfraction = 1 - (((1 - xvalues[0]) * (1 - yvalues[1])) / 2);
            break;

        case "TopBottom":
            pixelfraction = Math.min(xvalues[0], xvalues[1]) + ((Math.max(xvalues[0], xvalues[1]) - Math.min(xvalues[0], xvalues[1])) / 2);
            break;

        case "LeftBottom":
            pixelfraction = (yvalues[0] * xvalues[1]) / 2;
            break;

        default:
            pixelfraction = 1;
    }

    return pixelfraction;
}


// This function converts CSS rgb(x, x, x) to hexadecimal
function rgb2Hex(rgbColour) {
    try {

        // Get array of RGB values
        var rgbArray = rgb2Array(rgbColour);

        // Get RGB values
        var red = parseInt(rgbArray[0]);
        var green = parseInt(rgbArray[1]);
        var blue = parseInt(rgbArray[2]);

        // Build hex colour code
        var hexColour = "#" + IntToHex(red) + IntToHex(green) + IntToHex(blue);
    }
    catch (e) {

        alert("There was an error converting the RGB value to Hexadecimal in function rgb2Hex");
    }

    return hexColour;
}

// Returns an array of rbg values
function rgb2Array(rgbColour) {
    // Remove rgb()
    var rgbValues = rgbColour.substring(4, rgbColour.indexOf(")"));

    // Split RGB into array
    var rgbArray = rgbValues.split(", ");

    return rgbArray;
}

/*
Function by Simon Willison from sitepoint.com
Modified by Cameron Cooke adding Safari's rgba support
*/
function setOpacity(obj, opacity) {
    opacity = (opacity == 100) ? 99.999 : opacity;

    if (isSafari && obj.tagName != "IFRAME") {
        // Get array of RGB values
        var rgbArray = rgb2Array(obj.style.backgroundColor);

        // Get RGB values
        var red = parseInt(rgbArray[0]);
        var green = parseInt(rgbArray[1]);
        var blue = parseInt(rgbArray[2]);

        // Safari using RGBA support
        obj.style.backgroundColor = "rgba(" + red + ", " + green + ", " + blue + ", " + opacity / 100 + ")";
    }
    else if (typeof (obj.style.opacity) != "undefined") {
        // W3C
        obj.style.opacity = opacity / 100;
    }
    else if (typeof (obj.style.MozOpacity) != "undefined") {
        // Older Mozilla
        obj.style.MozOpacity = opacity / 100;
    }
    else if (typeof (obj.style.filter) != "undefined") {
        // IE
        obj.style.filter = "alpha(opacity:" + opacity + ")";
    }
    else if (typeof (obj.style.KHTMLOpacity) != "undefined") {
        // Older KHTML Based Browsers
        obj.style.KHTMLOpacity = opacity / 100;
    }
}

/*
Returns index if the passed value is found in the
array otherwise returns false.
*/
function inArray(array, value) {
    for (var i = 0; i < array.length; i++) {

        // Matches identical (===), not just similar (==).
        if (array[i] === value) return i;
    }

    return false;
}

/*
Returns true if the passed value is found as a key
in the array otherwise returns false.
*/
function inArrayKey(array, value) {
    for (key in array) {

        // Matches identical (===), not just similar (==).
        if (key === value) return true;
    }

    return false;
}

// Cross browser add event wrapper
function addEvent(elm, evType, fn, useCapture) {
    
    if (elm.addEventListener) {
        elm.addEventListener(evType, fn, useCapture);
        return true;
    }
    else if (elm.attachEvent) {
        var r = elm.attachEvent('on' + evType, fn);
        return r;
    }
    else {
        elm['on' + evType] = fn;
    }
}

// Cross browser remove event wrapper
function removeEvent(obj, evType, fn, useCapture) {
    if (obj.removeEventListener) {
        obj.removeEventListener(evType, fn, useCapture);
        return true;
    } else if (obj.detachEvent) {
        var r = obj.detachEvent("on" + evType, fn);
        return r;
    } else {
        alert("Handler could not be removed");
    }
}

// Formats colours
function format_colour(colour) {
    var returnColour = "#ffffff";

    // Make sure colour is set and not transparent
    if (colour != "" && colour != "transparent") {
        // RGB Value?
        if (colour.substr(0, 3) == "rgb") {
            // Get HEX aquiv.
            returnColour = rgb2Hex(colour);
        }
        else if (colour.length == 4) {
            // 3 chr colour code add remainder
            returnColour = "#" + colour.substring(1, 2) + colour.substring(1, 2) + colour.substring(2, 3) + colour.substring(2, 3) + colour.substring(3, 4) + colour.substring(3, 4);
        }
        else {
            // Normal valid hex colour
            returnColour = colour;
        }
    }

    return returnColour;
}

// Returns the style value for the property specfied
function get_style(obj, property, propertyNS) {
    try {
        if (obj.currentStyle) {
            var returnVal = eval("obj.currentStyle." + property);
        }
        else {
            /*
            Safari does not expose any information for the object if display is
            set to none is set so we temporally enable it.
            */
            if (isSafari && obj.style.display == "none") {
                obj.style.display = "";
                var wasHidden = true;
            }

            var returnVal = document.defaultView.getComputedStyle(obj, '').getPropertyValue(propertyNS);

            // Rehide the object
            if (isSafari && wasHidden) {
                obj.style.display = "none";
            }
        }
    }
    catch (e) {
        // Do nothing
    }

    return returnVal;
}

// Get elements by class by Dustin Diaz.
function getElementsByClass(searchClass, node, tag) {
    var classElements = new Array();

    if (node == null)
        node = document;
    if (tag == null)
        tag = '*';

    var els = node.getElementsByTagName(tag);
    var elsLen = els.length;
    var pattern = new RegExp("(^|\s)" + searchClass + "(\s|$)");

    for (i = 0, j = 0; i < elsLen; i++) {
        if (pattern.test(els[i].className)) {
            classElements[j] = els[i];
            j++;
        }
    }

    return classElements;
}

// Displays error message
function newCurvyError(errorMessage) {
    return new Error("curvyCorners Error:\n" + errorMessage)
}


/********************  box des coté de la master ********/
function sideBox() {
    // Check parameters
    if (typeof (arguments[0]) != "object") throw newCurvyError("First parameter of curvyCorners() must be an object.");
    if (typeof (arguments[1]) != "object" && typeof (arguments[1]) != "string") throw newCurvyError("Second parameter of curvyCorners() must be an object or a class name.");

    // Get object(s)
    if (typeof (arguments[1]) == "string") {
        // Get elements by class name
        var startIndex = 0;
        var boxCol = getElementsByClass(arguments[1]);
    }
    else {
        // Get objects
        var startIndex = 1;
        var boxCol = arguments;
    }

    // Create return collection/object
    var curvyCornersCol = new Array();

    // Create array of html elements that can have rounded corners
    if (arguments[0].validTags)
        var validElements = arguments[0].validTags;
    else
        var validElements = ["div"]; // Default

    // Loop through each argument
    for (var i = startIndex, j = boxCol.length; i < j; i++) {
        // Current element tag name
        var currentTag = boxCol[i].tagName.toLowerCase();

        if (inArray(validElements, currentTag) !== false) {
            curvyCornersCol[curvyCornersCol.length] = new boxObject(arguments[0], boxCol[i]);
        }
    }

    this.objects = curvyCornersCol;

    // Applys the curvyCorners to all objects
    this.applyBoxToAll = function() {
        for (var x = 0, k = this.objects.length; x < k; x++) {
            this.objects[x].applyBox();
        }
    }
}

// curvyCorners object (can be called directly)
function boxObject() {
    // Setup Globals
    this.box = arguments[1];
    this.settings = arguments[0];
    this.bottomContainer = null;
    this.contentDIV = null;

    // Get box formatting details
    var boxPosition = get_style(this.box, "position", "position");

    // Make box relative if not already absolute and remove any padding
    if (boxPosition != "absolute") this.box.style.position = "relative";


    /*
    This method creates the box.
    */
    this.applyBox = function() {

        // Only build bottom bar if a top corner is to be draw
        var newMainContainer = document.createElement("DIV");
        newMainContainer.id = "div2";
        newMainContainer.style.width = "100%";
        newMainContainer.style.fontSize = "1px";
        newMainContainer.style.overflow = "hidden";
        newMainContainer.style.position = "absolute";

        newMainContainer.className = this.settings.bordureClass;
        

        this.bottomContainer = this.box.appendChild(newMainContainer);
        this.box.style.borderBottomWidth = "0px";
    }
}

