// JavaScript Document
function validate_payment()
{
	if(document.frmquestion.txt_firstname.value.length == 0)
	{
		alert("Please Enter First Name");
		document.frmquestion.txt_firstname.focus();
		return false;
	}
	if(document.frmquestion.txt_lastname.value.length == 0)
	{
		alert("Please Enter Last Name");
		document.frmquestion.txt_lastname.focus();
		return false;
	}
	if(document.frmquestion.txt_email.value.length == 0)
	{
		alert("Please Enter email Address");
		document.frmquestion.txt_email.focus();
		return false;
	}
	if(document.frmquestion.txt_email.value.length!= 0)
			{
			  var emailExp = /^[\w\-\.\+]+\@[a-zA-Z0-9\.\-]+\.[a-zA-z0-9]{2,4}$/;
				if(!document.frmquestion.txt_email.value.match(emailExp))
				{
					alert("Please Enter Valid Email Address!");
			   		document.frmquestion.txt_email.focus();
			   		return false;
				}
			}
}