function displayFullSize(image,width,height){
	fullsize = window.open("http://www.ukthrash.co.uk/store/image.php?id=" + image,"fullsize","toolbar=0,location=0,status=0,scrollbars=0,menubar=0,width=" + width + ",height=" + height);
}

function checkPayPalForm(){

	if (!validateRequired("quantity")) {
		alert("Please enter a quantity!");
		return false;
	} else {
		return true;
	}

}

/** Valides a required field -- returns false if the field is null or empty **/
function validateRequired(field){
	var text = document.getElementById(field).value;
	if ((text == null) || (text == "")){ return false; } else { return true;}
}