function contactus()
{ 	 
   if(document.contact.FirstName.value == "")
      {
	        alert("Please Enter Your First Name");
			document.contact.FirstName.focus();
			return false;
	  }
	if(document.contact.LastName.value == "")
      {
	        alert("Please Enter Your Last Name");
			document.contact.LastName.focus();
			return false;
	  }
	
	if(document.contact.Email.value == "")
      {
	        alert("Please Enter Your Email address");
			document.contact.Email.focus();
			return false;
	  }
  
  
  document.contact.submit();
	   
   return true;
}