function buynowupdate(productid, classid, sale)
{
	 
	var thisform=document.getElementById("idoptionform" + productid); //document["optionform" + productid];
	var out="";
	var thisselect=thisform["classid" + classid];
	var thisval= thisselect[thisselect.selectedIndex].value;
	for(i=0; i<thisform.length; i++)
	{
		var scannedselect=thisform[i];
		var scannedselectname=scannedselect.name;
		var scannedclassid=scannedselectname.substr(7);
		var scannedval=scannedselect[scannedselect.selectedIndex].value;
		out+="+" + productid + "." + scannedclassid + "." +  scannedval;
	}
	//alert(out);
	ajax.location.href='buynowupdate.php?productid=' + productid + '&options=' + out + '&sale=' + sale;
}