function zoom(primaryKey){
	var sUrl = "popUpWin/zoomTile.asp?primaryKey=" + primaryKey;
	var sName = "tileWin";
	var appWindow = open(sUrl,sName,"toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width=510,height=450,left=50,top=50");
	if (appWindow.opener == null) appWindow.opener = self;
	appWindow.focus();
}