function AddCart(PID,TXT,LRId,BackUrl) {
    var qty=document.getElementById(TXT).value;
    var url='/serv.aspx?AID=add&PID='+PID+'&QTY='+qty;
	if (LRId!=-1) {
		url+='&LRId='+LRId;
	}
    if (BackUrl!='') {
		url+='&BUrl='+BackUrl;
	}
    location.href=url;
}
function ShowCalendar(CalendarPanel) {
    var ctl=document.getElementById(CalendarPanel);
    var calcss=ctl.style;
    calcss.display='block';
    calcss.visibility='visible';
}