function updateQuantity(maincat, subcat, productid, colour, start) {
	
	// alert("we are in function");

	quantity = eval('document.QuoteBasketForm.'+productid+'.value');
	
	//location.href='quote.php?action=update&main=' + maincat + '&sub=' + subcat + '&quantity=' + quantity + '&colour=' + colour + '&start=' + start;
	location.href='quote.php?action=update&main=' + maincat + '&sub=' + subcat + '&productID=' + productid + '&quantity=' + quantity + '&colour=' + colour + '&start=' + start;
	 
}

function checkForm(){

	errors = "";
	document.checkFormReturn = true;
	form = document.ContactForm;


	if (form.name.value == "") {
		errors += " - please enter your name\n";
	}
	
	if (form.email.value == "") {
		errors += " - please enter your email address\n";
	}
	
	if (form.telephone.value == "")  {
		errors += " - please enter your telephone number\n";
	}
	
	if (form.email.value == "" || isNotEmail(form.email)) {
		errors += " - please enter a valid email address\n";
	}

	if (errors != "") {
		alert("ERRORS:\n" + errors);
		return false;
	} else {
		return true;
	}

}

function checkRequestForm(){

	errors = "";
	document.checkFormReturn = true;
	form = document.RequestCatalogueForm;


	if (form.name.value == "") {
		errors += " - please enter your name\n";
	}
	
	if (form.email.value == "") {
		errors += " - please enter your email address\n";
	}
	
	if (form.address.value == "")  {
		errors += " - please enter your address number\n";
	}
	
	if (form.postcode.value == "")  {
		errors += " - please enter your postcode number\n";
	}
	
	if (form.email.value == "" || isNotEmail(form.email)) {
		errors += " - please enter a valid email address\n";
	}

	if (errors != "") {
		alert("ERRORS:\n" + errors);
		return false;
	} else {
		return true;
	}

}