function gradeRequest(base_path, resource_id, portal_id, title, username, docURL) {	
	var address = base_path + '/grades?page=vote&resource_id=' + resource_id + '&portal_id=' + portal_id + 
	   '&title='+ title.replace('%','%25') + '&username=' + username + '&link=' + docURL;
	window.open(address, '', 'width=640,height=520');
}