function check_user()
{
	if(document.frmcontact.txtfirstName.value.replace(/^\s+|\s+$/,'') == "")
	{
		alert("Please Enter Your First Name");
		document.frmcontact.txtfirstName.select();
		return false;
	}	
	
	if(document.frmcontact.txtlastName.value.replace(/^\s+|\s+$/,'') == "")
	{
		alert("Please Enter Your Last Name");
		document.frmcontact.txtlastName.select();
		return false;
	}	
	
	if(document.frmcontact.txtemail.value < 1)
	{
		alert("Please Enter Your E-mail Id");
		document.frmcontact.txtemail.select();
		return false;
	}
	else
	{
		var emailid = document.frmcontact.txtemail.value;
		var i = 1,j = 1;
		var lemail = emailid.length;
		while(j <= lemail)
		{
			if(emailid.charAt(j) == " ")
			{
				alert("Invalid E-mail");
				document.frmcontact.txtemail.select();
				return false;
			}
			j++;
		}
		while((i < lemail) && (emailid.charAt(i) != "@"))
			i++;
		
		if((i >= lemail) || (emailid.charAt(i) != "@"))
		{
			 alert("Invalid E-mail");
			 document.frmcontact.txtemail.select();
			 return false;
		}
		else
		{
			i= i + 2;
			if(emailid.charAt(i-1) == "@")
			{
				alert("Invalid E-mail");
				document.frmcontact.txtemail.select();
				return false;
			}
		}				
		while((i < lemail) && (emailid.charAt(i) != "."))
			i++;
		
		if((i >= lemail) || (emailid.charAt(i) != "."))
		{
			alert("Invalid E-mail");
			document.frmcontact.txtemail.select();
			return false;
		}
		
		mail_split = emailid.split("@");
		if(mail_split[0].length < 2 )
		{
			alert("Invalid E-mail");
			document.frmcontact.txtemail.select();
			return false;
		}
		
		mail_split1 = mail_split[1].split(".");
		if(mail_split1[0].length < 2 || mail_split1[1].length < 2)
		{
			alert("Invalid E-mail");
			document.frmcontact.txtemail.select();
			return false;
		}
	}
	
	if(document.frmcontact.txtphone.value.replace(/^\s+|\s+$/,'') == "")
	{
		alert("Please Enter Phone no.");
		document.frmcontact.txtphone.select();
		return false;
	}
	
	if(document.frmcontact.txtaddress.value.replace(/^\s+|\s+$/,'') == "")
	{
		alert("Please Enter Address.");
		document.frmcontact.txtaddress.select();
		return false;
	}
	
	if(document.frmcontact.txtcity.value.replace(/^\s+|\s+$/,'') == "")
	{
		alert("Please Enter City.");
		document.frmcontact.txtcity.select();
		return false;
	}
	
	if(document.frmcontact.txtstate.value.replace(/^\s+|\s+$/,'') == "")
	{
		alert("Please Enter State.");
		document.frmcontact.txtstate.select();
		return false;
	}
	
	if(document.frmcontact.cbocountry.value == "")
	{
		alert("Please Select Country.");
		document.frmcontact.cbocountry.focus();
		return false;
	}
	
	if(document.frmcontact.txtresume.value.replace(/^\s+|\s+$/,'') == "")
	{
		alert ("Please Upload Resume.");
		document.frmcontact.txtresume.select();
		return false;
	}
	else
	{
		if(document.frmcontact.txtresume.value.indexOf(".") <= 0)
		{
			alert("Invalid PDF / Doc File.");
			document.frmcontact.txtresume.select();
			return false;
		}
		else
		{
			if(document.frmcontact.txtresume.value.indexOf(".") > 0)
			{
				var index = document.frmcontact.txtresume.value.indexOf(".");
				var len = document.frmcontact.txtresume.value.length;
				var extn = (document.frmcontact.txtresume.value.substring(index+1 ,len)).toUpperCase();
				
				if(extn != "PDF" && extn != "DOC")
				{
					alert("Please Select PDF / Doc File.");
					document.frmcontact.txtresume.select();
					return false;
				}
			}
		}
	} 
	
	var myvar;
	for(var i = 0; i <= 2; i++)
	{
		if(document.frmcontact.rdneed(i).checked!=true)
		{
			 myvar = false;
		}
		else
		{
			myvar = true;
			break;
		}
	}
	if(myvar == false)
	{
		alert("Select Atleast One Option");
		return false;
	}
}
function viewjob()
{
	window.location="contactus.php";
}