var resizeDelay=10;var resizeIncrement=5;var imgCache=new Object();function getCacheTag(imgElement){return imgElement.src+"~"+imgElement.offsetLeft+"~"+imgElement.offsetTop;}
function cachedImg(imgElement,increment){this.img=imgElement;this.cacheTag=getCacheTag(imgElement);this.originalSrc=imgElement.src;var h=imgElement.height;var w=imgElement.width;this.originalHeight=h;this.originalWidth=w;increment=(!increment)?resizeIncrement:increment;this.heightIncrement=Math.ceil(Math.min(1,(h/w))*increment);this.widthIncrement=Math.ceil(Math.min(1,(w/h))*increment);}
function resizeImg(imgElement,percentChange,newImageURL){var pct=(percentChange)?percentChange/100:1;var cacheTag=imgElement.getAttribute("cacheTag");if(!cacheTag){cacheTag=getCacheTag(imgElement);imgElement.setAttribute("cacheTag",cacheTag);}
var cacheVal=imgCache[cacheTag];if(!cacheVal){imgCache[cacheTag]=new Array(new cachedImg(imgElement),pct);}else{cacheVal[1]=pct;}
if(newImageURL)
imgElement.src=newImageURL;resizeImgLoop(cacheTag);return true;}
function resizeImgLoop(cacheTag){var cacheVal=imgCache[cacheTag];if(!cacheVal)
return false;var cachedImageObj=cacheVal[0];var imgElement=cachedImageObj.img;var pct=cacheVal[1];var plusMinus=(pct>1)?1:-1;var hinc=plusMinus*cachedImageObj.heightIncrement;var vinc=plusMinus*cachedImageObj.widthIncrement;var startHeight=cachedImageObj.originalHeight;var startWidth=cachedImageObj.originalWidth;var currentHeight=imgElement.height;var currentWidth=imgElement.width;var endHeight=Math.round(startHeight*pct);var endWidth=Math.round(startWidth*pct);if((currentHeight==endHeight)||(currentWidth==endWidth))
return true;var newHeight=currentHeight+hinc;var newWidth=currentWidth+vinc;if(pct>1){if((newHeight>=endHeight)||(newWidth>=endWidth)){newHeight=endHeight;newWidth=endWidth;}}else{if((newHeight<=endHeight)||(newWidth<=endWidth)){newHeight=endHeight;newWidth=endWidth;}}
imgElement.height=newHeight;imgElement.width=newWidth;if((newHeight==cachedImageObj.originalHeight)||(newWidth==cachedImageObj.originalwidth)){imgElement.src=cachedImageObj.originalSrc;}
setTimeout("resizeImgLoop('"+cacheTag+"')",resizeDelay);}