function validate_item_info() //validate item information
	{

		if (document.update_details_form.ud_address.value=="")
		{
			alert("Please, supply your 'Address Details'.");
			document.update_details_form.ud_address.focus();
			document.update_details_form.ud_address.style.background = "pink";
			return false;
		}
		if (document.update_details_form.ud_town.value=="")
		{
			alert("Please, supply your 'Town' name.");
			document.update_details_form.ud_town.focus();
			document.update_details_form.ud_town.style.background = "pink";
			return false;
		}
		if (document.update_details_form.ud_county.value=="")
		{
			alert("Please, supply your 'County/City' name.");
			document.update_details_form.ud_county.focus();
			document.update_details_form.ud_county.style.background = "pink";
			return false;
                }
		if (document.update_details_form.ud_postcode.value=="")
		{
			alert("Please, supply your 'Postcode/Zipcode'.");
			document.update_details_form.ud_postcode.focus();
			document.update_details_form.ud_postcode.style.background = "pink";
			return false;
                }
		if (document.update_details_form.ud_country.value=="")
		{
			alert("Please, supply your 'Country' name.");
			document.update_details_form.ud_country.focus();
			document.update_details_form.ud_country.style.background = "pink";
			return false;
		}
		return true;
	}