function go_now()
	{
		if (document.form1.chkInDate.value == "")
		{
			alert("select Check In date!");
			return false;	
		}
		if (document.form1.chkOutDate.value == "")
		{
			alert("select Check In date!");
			return false;	
		}		
		var now    = new Date();
		var monthnumber = now.getMonth();
		monthnumber	+= 1;
		var monthday    = now.getDate();
		var year        = now.getYear();	
		var arrDate 	= document.form1.chkInDate.value;
		var depDate 	= document.form1.chkOutDate.value;		
		var arrSplit 	= arrDate.split("/");
		var depSplit 	= depDate.split("/");
		var arrDay		= parseInt(eval(arrSplit[1]));
		var arrMonth 	= parseInt(eval(arrSplit[0]));
		var arrYear 	= parseInt(eval(arrSplit[2]));
		var depDay 		= parseInt(eval(depSplit[1]));
		var depMonth 	= parseInt(eval(depSplit[0]));
		var depYear 	= parseInt(eval(depSplit[2]));
		
		if (depYear >= arrYear)
		{
			if (depMonth >= arrMonth)
			{
				if (depDay < arrDay)
				{
					alert("departure date day cann't be less than arrival date day!");
					return false;		
				}
				else
					return true;				
			}
			else
			{
				alert("departure date month cann't be less than arrival date month!");
				return false;	
			}
		}
		else
		{
			alert("departure date year cann't be less than arrival date year!");
			return false;
		}		
	}
	function changevalue(val1, val2)
    {
        // get control names
        var checkin = document.form1.chkInDate;
        var checkout = document.form1.chkOutDate;
		if (checkin.value != "")
        {            
            var increment = 1000 * 60 * 60 * 24;
            val1 += increment;
			var date_cur =  f_tcalGenerDate(new Date(val1));
            checkout.value = date_cur;
        }        
    }


	function checkEmail(form1) {
	if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(form2.txt_email.value)){
	return (true)
	}
	alert("Invalid E-mail Address! Please re-enter.")
	return (false)
	}