function set()
{
	if (document.dataform.Select_city.selectedIndex == "")  
	{
		alert ("Kindly Select City.");
		document.dataform.Select_city.focus();
		return false;
	}
	if (document.dataform.Select_hotel.selectedIndex == "")  
	{
		alert ("Kindly Select Hotel.");
		document.dataform.Select_hotel.focus();
		return false;
	}
	if (document.dataform.S_name.value.length == 0)  
	{
		alert ("Kindly Enter Your Name.");
		document.dataform.S_name.focus();
		return false;
	}
	if (document.dataform.S_email.value.length == 0) 
	{
		alert("Kindly enter your Email ID.");
		document.dataform.S_email.focus();
		return false;
	}
	if(document.dataform.S_email.value.indexOf(" ") >= 0)
	{
		alert("Please enter your email id without any space.");
		document.dataform.S_email.focus();
		return (false);
	}
	if ( (document.dataform.S_email.value.indexOf("@") == -1) || (document.dataform.S_email.value.indexOf(".") == -1) )
	{
		alert("Please enter a valid email id.");
		document.dataform.S_email.focus();
		return (false);
	}
	BeforeAtRate = document.dataform.S_email.value.substring(0,document.dataform.S_email.value.indexOf("@"));
	AfterAtRate = document.dataform.S_email.value.substring(document.dataform.S_email.value.indexOf("@")+1,document.dataform.S_email.value.length);
	
	if (AfterAtRate.indexOf(".") == -1)
	{
		alert("Please enter a valid email id.");
		document.dataform.S_email.focus();
		return (false);
	}

	middle = AfterAtRate.substring(0, AfterAtRate.indexOf("."));
	last = AfterAtRate.substring(AfterAtRate.indexOf(".") + 1,AfterAtRate.length);
	
	if (BeforeAtRate.length == 0 || middle.length == 0 || last.length == 0)
	{
		alert("Please enter a valid email id.");
		document.dataform.S_email.focus();
		return (false);
	}
	if (isNaN(document.dataform.phone.value))
	{
		alert ("Kindly Enter Your Phone Number.");
		document.dataform.phone.focus();
		return false;
	}
	if (isNaN(document.dataform.mobileno.value))
	{
		alert ("Kindly Enter Your Mobile Number.");
		document.dataform.mobileno.focus();
		return false;
	}
	if (document.dataform.adults_per_room.selectedIndex == "")  
	{
		alert ("Kindly Select Adults Per Room.");
		document.dataform.adults_per_room.focus();
		return false;
	}	
	
	if (document.dataform.room.selectedIndex == "")  
	{
		alert ("Kindly Select Room.");
		document.dataform.room.focus();
		return false;
	}
		
	if (document.dataform.check_indate.value.length == 0) 
	{
		alert("Kindly Select Check In Date.");
		document.dataform.check_indate.focus();
		return false;
	}
	if (document.dataform.check_outdate.value.length == 0)  
	{
		alert ("Kindly Select Check Out Date.");
		document.dataform.check_outdate.focus();
		return false;
	}
	
	if (document.dataform.captcha_text.value == '') 
	{
		alert ("Kindly enter the code as appearing in the Image.");
		document.dataform.captcha_text.focus();
		return false;
	}
	return true;
}