function rollover(name,source){document.images[name].src=source;}
function preload(aImgSrc){for(var i=0;i<aImgSrc.length;i++){var newImg=new Image();newImg.src=aImgSrc[i];aImgSrc["img_"+i]=newImg;}}
function cssRollOver(oElement){var sCSSClass=oElement.className;if(sCSSClass.indexOf("On")!=-1){oElement.className=sCSSClass.replace(/On/,"Off");}else if(sCSSClass.indexOf("Off")!=-1){oElement.className=sCSSClass.replace(/Off/,"On");}}