function valid_contact()

{

	var frm=document.contactinfo;

	if(frm.fname.value=="")

	{

		alert("First Name should not be empty.");

		frm.fname.focus();

		return false;

	}	

	else if(frm.lname.value=="")

	{

		alert("Last Name should not be empty.");

		frm.lname.focus();

		return false;

	}

	else if(frm.addressone.value=="")

	{

		alert("Address should not be empty.");

		frm.addressone.focus();

		return false;

	}

	else if(frm.zippostalcode.value=="")

	{

		alert("Zip/Postal Code should not be empty.");

		frm.zippostalcode.focus();

		return false;

	}

	else if(frm.emailaddress.value=="")

	{

		alert("Email should not be empty.");

		frm.emailaddress.focus();

		return false;

	}

	else if(checkMail(frm.emailaddress.value)==false)

	{

		alert("Invalid email address!")

		frm.emailaddress.focus();

		return false;

	}

	else if(frm.emialveri.value=="")

	{

		alert("Re-Enter Email address.");

		frm.emialveri.focus();

		return false;

	}

	else if(frm.emailaddress.value!=frm.emialveri.value)

	{

		alert("Email address does not match!")

		frm.emialveri.focus();

		return false;

	}

	else

	{

		return true;	

	}

}



function checkMail(email)

{

	var x = email;

	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;

	if (filter.test(x)) 

	{

		return true;		

	}

	else 

	{

		return false;

	}

}