function DHTMLgoodies_roundedCorners()
{ var roundedCornerTargets; this.roundedCornerTargets = new Array();}
var string = ''; DHTMLgoodies_roundedCorners.prototype = { addTarget : function(divId,xRadius,yRadius,color,backgroundColor,padding,heightOfContent,whichCorners)
{ var index = this.roundedCornerTargets.length; this.roundedCornerTargets[index] = new Array(); this.roundedCornerTargets[index]['divId'] = divId; this.roundedCornerTargets[index]['xRadius'] = xRadius; this.roundedCornerTargets[index]['yRadius'] = yRadius; this.roundedCornerTargets[index]['color'] = color; this.roundedCornerTargets[index]['backgroundColor'] = backgroundColor; this.roundedCornerTargets[index]['padding'] = padding; this.roundedCornerTargets[index]['heightOfContent'] = heightOfContent; this.roundedCornerTargets[index]['whichCorners'] = whichCorners;}
, init : function()
{ for(var targetCounter=0;targetCounter < this.roundedCornerTargets.length;targetCounter++){ whichCorners = this.roundedCornerTargets[targetCounter]['whichCorners']; divId = this.roundedCornerTargets[targetCounter]['divId']; xRadius = this.roundedCornerTargets[targetCounter]['xRadius']; yRadius = this.roundedCornerTargets[targetCounter]['yRadius']; color = this.roundedCornerTargets[targetCounter]['color']; backgroundColor = this.roundedCornerTargets[targetCounter]['backgroundColor']; padding = this.roundedCornerTargets[targetCounter]['padding']; heightOfContent = this.roundedCornerTargets[targetCounter]['heightOfContent']; whichCorners = this.roundedCornerTargets[targetCounter]['whichCorners']; var cornerArray = new Array(); if(!whichCorners || whichCorners=='all'){ cornerArray['top_left'] = true; cornerArray['top_right'] = true; cornerArray['bottom_left'] = true; cornerArray['bottom_right'] = true;}else{ cornerArray = whichCorners.split(/,/gi); for(var prop in cornerArray)cornerArray[cornerArray[prop]] = true;}
var factorX = xRadius/yRadius; var obj = document.getElementById(divId); obj.style.backgroundColor=null; obj.style.backgroundColor='transparent'; var content = obj.innerHTML; obj.innerHTML = ''; if(cornerArray['top_left'] || cornerArray['top_right']){ var topBar_container = document.createElement('DIV'); topBar_container.style.height = yRadius + 'px'; topBar_container.style.overflow = 'hidden'; obj.appendChild(topBar_container); var currentAntialiasSize = 0; var savedRestValue = 0; for(no=1;no<=yRadius;no++){ var marginSize = (xRadius - (this.getY((yRadius - no),yRadius,factorX))); var marginSize_decimals = (xRadius - (this.getY_withDecimals((yRadius - no),yRadius,factorX))); var restValue = xRadius - marginSize_decimals; var antialiasSize = xRadius - marginSize - Math.floor(savedRestValue)
var foregroundSize = xRadius - (marginSize + antialiasSize); var el = document.createElement('DIV'); el.style.overflow='hidden'; el.style.height = '1px'; if(cornerArray['top_left'])el.style.marginLeft = marginSize + 'px'; if(cornerArray['top_right'])el.style.marginRight = marginSize + 'px'; topBar_container.appendChild(el); var y = topBar_container; for(var no2=1;no2<=antialiasSize;no2++){ switch(no2){ case 1:
if (no2 == antialiasSize)
blendMode = ((restValue + savedRestValue) /2) - foregroundSize; else { var tmpValue = this.getY_withDecimals((xRadius - marginSize - no2),xRadius,1/factorX); blendMode = (restValue - foregroundSize - antialiasSize + 1) * (tmpValue - (yRadius - no)) /2;}
break; case antialiasSize:
var tmpValue = this.getY_withDecimals((xRadius - marginSize - no2 + 1),xRadius,1/factorX); blendMode = 1 - (1 - (tmpValue - (yRadius - no))) * (1 - (savedRestValue - foregroundSize)) /2; break; default:
var tmpValue2 = this.getY_withDecimals((xRadius - marginSize - no2),xRadius,1/factorX); var tmpValue = this.getY_withDecimals((xRadius - marginSize - no2 + 1),xRadius,1/factorX); blendMode = ((tmpValue + tmpValue2) / 2) - (yRadius - no);}
el.style.backgroundColor = this.__blendColors(backgroundColor,color,blendMode); y.appendChild(el); y = el; var el = document.createElement('DIV'); el.style.height = '1px'; el.style.overflow='hidden'; if(cornerArray['top_left'])el.style.marginLeft = '1px'; if(cornerArray['top_right'])el.style.marginRight = '1px'; el.style.backgroundColor=color;}
y.appendChild(el); savedRestValue = restValue;}
}
var contentDiv = document.createElement('DIV'); contentDiv.className = obj.className; contentDiv.style.border='1px solid ' + color; contentDiv.innerHTML = content; contentDiv.style.backgroundColor=color; contentDiv.style.paddingLeft = padding + 'px'; contentDiv.style.paddingRight = padding + 'px'; if(!heightOfContent)heightOfContent = ''; heightOfContent = heightOfContent + ''; if(heightOfContent.length>0 && heightOfContent.indexOf('%')==-1)heightOfContent = heightOfContent + 'px'; if(heightOfContent.length>0)contentDiv.style.height = heightOfContent; obj.appendChild(contentDiv); if(cornerArray['bottom_left'] || cornerArray['bottom_right']){ var bottomBar_container = document.createElement('DIV'); bottomBar_container.style.height = yRadius + 'px'; bottomBar_container.style.overflow = 'hidden'; obj.appendChild(bottomBar_container); var currentAntialiasSize = 0; var savedRestValue = 0; var errorOccured = false; var arrayOfDivs = new Array(); for(no=1;no<=yRadius;no++){ var marginSize = (xRadius - (this.getY((yRadius - no),yRadius,factorX))); var marginSize_decimals = (xRadius - (this.getY_withDecimals((yRadius - no),yRadius,factorX))); var restValue = (xRadius - marginSize_decimals); var antialiasSize = xRadius - marginSize - Math.floor(savedRestValue)
var foregroundSize = xRadius - (marginSize + antialiasSize); var el = document.createElement('DIV'); el.style.overflow='hidden'; el.style.height = '1px'; if(cornerArray['bottom_left'])el.style.marginLeft = marginSize + 'px'; if(cornerArray['bottom_right'])el.style.marginRight = marginSize + 'px'; bottomBar_container.insertBefore(el,bottomBar_container.firstChild); var y = bottomBar_container; for(var no2=1;no2<=antialiasSize;no2++){ switch(no2){ case 1:
if (no2 == antialiasSize)
blendMode = ((restValue + savedRestValue) /2) - foregroundSize; else { var tmpValue = this.getY_withDecimals((xRadius - marginSize - no2),xRadius,1/factorX); blendMode = (restValue - foregroundSize - antialiasSize + 1) * (tmpValue - (yRadius - no)) /2;}
break; case antialiasSize:
var tmpValue = this.getY_withDecimals((xRadius - marginSize - no2 + 1),xRadius,1/factorX); blendMode = 1 - (1 - (tmpValue - (yRadius - no))) * (1 - (savedRestValue - foregroundSize)) /2; break; default:
var tmpValue2 = this.getY_withDecimals((xRadius - marginSize - no2),xRadius,1/factorX); var tmpValue = this.getY_withDecimals((xRadius - marginSize - no2 + 1),xRadius,1/factorX); blendMode = ((tmpValue + tmpValue2) / 2) - (yRadius - no);}
el.style.backgroundColor = this.__blendColors(backgroundColor,color,blendMode); if(y==bottomBar_container)arrayOfDivs[arrayOfDivs.length] = el; try{ var firstChild = y.getElementsByTagName('DIV')[0]; y.insertBefore(el,y.firstChild);}catch(e){ y.appendChild(el); errorOccured = true;}
y = el; var el = document.createElement('DIV'); el.style.height = '1px'; el.style.overflow='hidden'; if(cornerArray['bottom_left'])el.style.marginLeft = '1px'; if(cornerArray['bottom_right'])el.style.marginRight = '1px';}
if(errorOccured){ for(var divCounter=arrayOfDivs.length-1;divCounter>=0;divCounter--){ bottomBar_container.appendChild(arrayOfDivs[divCounter]);}
}
el.style.backgroundColor=color; y.appendChild(el); savedRestValue = restValue;}
}
}
}
, getY : function(x,maxX,factorX){ return Math.max(0,Math.ceil(factorX * Math.sqrt( (maxX * maxX) - (x*x)) ));}
, getY_withDecimals : function(x,maxX,factorX){ return Math.max(0,factorX * Math.sqrt( (maxX * maxX) - (x*x)) );}
, __blendColors : function (colorA, colorB, blendMode) { if(colorA.length=='4'){ colorA = '#' + colorA.substring(1,1) + colorA.substring(1,1) + colorA.substring(2,1) + colorA.substring(2,1) + colorA.substring(3,1) + colorA.substring(3,1);}
if(colorB.length=='4'){ colorB = '#' + colorB.substring(1,1) + colorB.substring(1,1) + colorB.substring(2,1) + colorB.substring(2,1) + colorB.substring(3,1) + colorB.substring(3,1);}
var colorArrayA = [parseInt('0x' + colorA.substring(1,3)), parseInt('0x' + colorA.substring(3, 5)), parseInt('0x' + colorA.substring(5, 7))]; var colorArrayB = [parseInt('0x' + colorB.substring(1,3)), parseInt('0x' + colorB.substring(3, 5)), parseInt('0x' + colorB.substring(5, 7))]; var red = Math.round(colorArrayA[0] + (colorArrayB[0] - colorArrayA[0])*blendMode).toString(16); var green = Math.round(colorArrayA[1] + (colorArrayB[1] - colorArrayA[1])*blendMode).toString(16); var blue = Math.round(colorArrayA[2] + (colorArrayB[2] - colorArrayA[2])*blendMode).toString(16); if(red.length==1)red = '0' + red; if(green.length==1)green = '0' + green; if(blue.length==1)blue = '0' + blue; return '#' + red + green+ blue;}
}