var offSrc="";
var headImg;
var headOffSrc;

function roll(daImg,daSrc) {
	offSrc=daImg.src;
	daImg.src=daSrc;
}

function rollOff(daImg) {
	daImg.src=offSrc;
	
}

function rollCol(daImg,daSrc,daHeadImg,newHeadSrc) {
	offSrc=daImg.src;
	
	headImg = document.images[daHeadImg];
	headOffSrc = headImg.src;
	daImg.src = daSrc;
	headImg.src=newHeadSrc;
}

function rollColOff(daImg) {
	daImg.src=offSrc;
	headImg.src=headOffSrc;
}
function popWindow(aUrl) {
	eval("window.open ('"+aUrl+"', 'newWin', 'scrollbars=yes,status=yes,toolbar=yes,resizable=yes,width=581,height=612,dependent=yes,screenX=200,screenY=200')");
}