// JavaScript Document
function check() {
	//debugger;
	var isError = false;
	var errorMessage = '';
	var theForm = $('buy');
	if (theForm) {
		if ($('ptid').value.length < 1) {
			isError = true;
			var messageDiv = $('errorMargin');
			if (messageDiv) {
				errorMessage = '<p>We produce the photographs in a number of different formats and sizes. Please choose your print option from the list above.</p>';
				messageDiv.innerHTML = errorMessage;
				messageDiv.show();
			} else {
				alert(errorMessage);
			}
		}
	}
	return !isError;
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function changeProductType(evt) {
	var messageDiv = $('errorMargin');
	if (messageDiv) {
		messageDiv.innerHTML = '';
		messageDiv.hide();
	}
	
	var element = Event.element(evt);
	var title = element.options[element.selectedIndex].title;
	var pTypeDesc = $('productTypeDescriptionMargin');
	if (title.length > 0) {
		pTypeDesc.innerHTML = title;
		pTypeDesc.show();
	} else {
		pTypeDesc.innerHTML = '';
		pTypeDesc.hide();
	}
}
function injectBehaviours(evt) {
	Event.observe($('ptid'), 'change', changeProductType, false);
	$('errorMargin').hide();
	$('productTypeDescriptionMargin').hide();
}

Event.observe(window, 'load', injectBehaviours, false);