window.addEvent('domready', function(){
	$('project_equipment').addEvent('submit', function(e){
		new Event(e).stop();
		var url = createUrl();
		TB_show('View Shopping Cart', url, false);
	});
});

function createUrl() {
	var url = '';
	var i = 1;
	$$('.material_check').each(function(el){
		if(el.getValue()!=false){
			url += 'oc'+i+'='+el.name+'&q'+i+'='+el.value+'&';
			i++;
		}
	});
	url_temp = '/cart.html?'+url;
	url = url_temp+'TB_iframe=true&height=400&width=600';
	return url;
}