function enlarge(oImg)
	{
	oImg.removeAttribute("width");
	oImg.removeAttribute("height");
	oImg.src = oImg.src.replace('.jpg','_large.jpg');
	}
function shrink(oImg)
	{
	oImg.removeAttribute("width");
	oImg.removeAttribute("height");
	oImg.src = oImg.src.replace('_large.jpg','.jpg');
	}
function openZoom(oImg)
	{
	var cSrc = 
		oImg.src.replace("250","500"), 
		cWidth = 600 // window.screen.width - 100, 
		cHeight = 700 // window.screen.height - 100, 
		cLeft = window.screen.width / 2 - cWidth / 2,
		cTop = window.screen.height / 2 - cHeight / 2;
	cSrc = cSrc.replace(".jpg","");
	window.open("/Zoom.htm?" + cSrc + ".jpg","_blank",
	"width=" + cWidth + ",height=" + cHeight + ",left=" + cLeft + ",top=" + cTop + ",toolbar=no");
	}

function openWin(url){
	window.open(url,"_blank","toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1");
}