function PriviewSubmitForm(theForm){
	if (theForm.tle.selectedIndex == 0)
	{
		alert("Please select a Title.");
		theForm.tle.focus();
		return (false);
	}

	if (theForm.giv.value == "")
	{
		alert("Please enter a value for the \"First name\" field.");
		theForm.giv.focus();
		return (false);
	}
  
	if (theForm.sur.value == "")
	{
		alert("Please enter a value for the \"Family name\" field.");
		theForm.sur.focus();
		return (false);
	}

	if (theForm.add1.value == "")
	{
		alert("Please enter an Address");
		theForm.add1.focus();
		return (false);
	}

	if (theForm.suburb.value == "")
	{
		alert("Please enter a value for the \"City\" field.");
		theForm.suburb.focus();
		return (false);
	}

	if (theForm.pcode.value == "")
	{
    	alert("Please enter a value for the \"Postal code/Zip\" field.");
	    theForm.pcode.focus();
    	return (false);
	}
    
    if (theForm.country.selectedIndex == 0)
	{
    	alert("Please select a Country from the list");
	    theForm.country.focus();
	    return (false);
	}

	window.open("inv.asp","invwin","toolbar=yes,menubar=yes,scrollbars=yes,resizable=yes,width=650,height=550")
	document.RegForm.action="inv.asp";
	document.RegForm.target="invwin";
	document.RegForm.submit(theForm);
}