function checkform() {
	
	var name=document.frmVal.Name.value;
	var email=document.frmVal.Email.value;
	var purpose=document.frmVal.Purpose.value;
	
	if((name=='') || (email=='') || (purpose==''))
		{
		alert('Name,Email,Purpose are required');
		document.frmVal.Name.focus();
		return false;
		}

	else
		{	
		return true;
		}	
}