function validateForm()
				  {
				  	if(document.contact_form.first_name.value == "")
					{
						alert("Please enter first name")
						document.contact_form.first_name.focus();
						return false;
					}
					if(document.contact_form.last_name.value == "")
					{
						alert("Please enter last name")
						document.contact_form.last_name.focus();
						return false;
					}
					if(document.contact_form.email.value == "")
					{
						alert("Please enter email")
						document.contact_form.email.focus();
						return false;
					}
					return true;
				  }