function catcalc(cal) {
				var date = cal.date;
				var time = date.getTime()
				var date2 = new Date(time);
				// auto_compile Date To
					var field1 = document.getElementById("checkin");
					var field2 = document.getElementById("checkout");
					/*
					if (field = cal.params.inputField) {
						field = document.getElementById("checkout");
						time += Date.DAY; // substract one day
					}
				
				if(field1)
				{
					var date2 = new Date(time);
					field1.value = date2.print("%m/%d/%Y");
				}
				else
				{
					var date2 = new Date(time);
					field2.value = date2.print("%m/%d/%Y");
				}	*/
				//var date2 = new Date(time);
				//field.value = date2.print("%m/%d/%Y");
			}
			Calendar.setup({
				inputField     :    "checkin",   // id of the input field
				ifFormat       :    "%m/%d/%Y",   // format of the input field
				weekNumbers    :    false,
				showsTime      :    false,
				timeFormat     :    "24",
				onUpdate       :    catcalc
			});
			Calendar.setup({
				inputField     :    "checkout",   // id of the input field
				ifFormat       :    "%m/%d/%Y",   // format of the input field
				weekNumbers    :    false,
				showsTime      :    false,
				timeFormat     :    "24",
				onUpdate       :    catcalc
			});