function openWin(url, width, height) {
	var win;
	var windowName;
	var params;
	windowName  = "bikepartsproductimage";
	params = "toolbar=0,";
	params += "location=0,";
	params += "directories=0,";
	params += "status=0,";
	params += "menubar=0,";
	params += "scrollbars=1,";
	params += "resizable=1,";
	params += "top=50,";
	params += "left=50,";
	params += "width="+width+",";
	params += "height="+height;
	win = window.open(url, windowName, params);
}


<!--
// usage: 
// popUp("http://www.domain.com", "myWin", "width=580,height=610,toolbar=no,resizeable=no,scrollbars=yes,status=no");

function popUp(location, name, params)
{
   var newWin = window.open ( '', name, params);
   newWin.location.href = location;
   newWin.focus();
}
function nada()
{ 
// 
}
// -->