function calcPOP(listprice,tt){
	var parms;
	pagetocall = "/calc/index.html?listprice="+listprice+"&tt="+tt;
		window.open(pagetocall,'calcPOP','toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=yes,copyhistory=no,scrollbars=no,titlebar=1,top=10,left=30,width=740,height=410'); 
	};