function validate_contact()
	{
		if (document.contact_form.firstname.value=="")
		{
			alert("Please enter your name");
			return false;
		}
		if (document.contact_form.surname.value=="")
		{
			alert("Please enter your surname");
			return false;
		}
		if (document.contact_form.telnum.value=="")
		{
			alert("Please enter your telephone number");
			return false;
		}
		if (document.contact_form.email.value=="")
		{
			alert("Please enter your email address");
			return false;
		}
		
		if (document.contact_form.txtstate.value=="")
		{
			return true;
		}
		else 
		{
			return false;
		}
		
		return true;
	}// JavaScript Document