function validateForm(form) {
	if (form.realname.value == "") {
	   alert("Please enter your name."); 
	   form.realname.focus( ); 
	   return false; 
	}
	if (form.contactnumber.value == "") {
	   alert("Please enter your contactnumber number."); 
	   form.contactnumber.focus( ); 
	   return false; 
	}
	if (form.enquiry.value == "") {
	   alert("Please enter your enquiry."); 
	   form.enquiry.focus( ); 
	   return false; 
	}
}