function chk()
{

	if (document.form11.nam_e.value=="")
	{
	alert("Enter your name");
	document.form11.nam_e.focus();
	return false;
	}
	var urmail=document.form11.email.value;
	var at=/\@/;
	var dot=/\./;
	if(document.form11.email.value=="")
	{
	alert("Enter your mail id");
	document.form11.email.focus();
	}
	else if(urmail.search(at)==-1)
	{
	alert("Re-enter mail id");
	document.form11.email.focus();
	}
	else if(urmail.search(dot)==-1)
	{
	alert("Enter valid mail id");
	document.form11.email.focus();
	}
	else if (document.form11.phonearea.value=="")
	{
	alert("Enter your Area Code");
	document.form11.phonearea.focus();
	return false;
	}
	else if (document.form11.phone.value=="")
	{
	alert("Enter your Phone Number");
	document.form11.phone.focus();
	return false;
	}
	else if (document.form11.security_code.value=="")
	{
	alert("Enter your Security Code");
	document.form11.phone.focus();
	return false;
	}
	else
	{
	document.form11.action="send_request.php";
	document.form11.submit();
	return false;
	}
}