function validateSearch(objForm)
{
	var nSubCategory = objForm.subcategory.options[objForm.subcategory.selectedIndex].value,
		bViewAll     = objForm.viewall.checked,
		strTown      = objForm.town.value;
	if(!bViewAll)
	{
		if((0 == nSubCategory) && (0 == strTown.length))
		{
			alert("You must either select a category, enter a town name or select \"View All Listings.\"");
			return false;
		}
	}
	else
	{
		return true;
	}
}