function getWindowWidth() {
	var width =0;
	//Width for Netscape, Mozilla und Opera
	if (typeof(window.innerWidth)=='number') {
		width=window.innerWidth;
	}
	//Internet Explorer
	else {
		//IE 6
		if ( document.documentElement && document.documentElement.clientWidth) {
			width= document.documentElement.clientWidth;
		}
		//IE 4 & 5
		else {
			if (document.body&&document.body.clientWidth) {
				width=document.body.clientWidth;
			}
		}
	}
	return width-80;
}
function saveRating(recordId, rating){
	//$('rating_'+recordId).innerHTML = '<div class="loading inline">&nbsp;</div>';
	var url = getBaseURL() + 'umlu-admin/ajax/ajax_ratings.php';
	var ratingStr = rating == 1 ? 'good' : 'bad';
	var pars = 'record_id=' + recordId + '&rating=' + ratingStr;
	new Ajax.Updater( 'rating_'+recordId, url, {method: 'post', parameters: pars });
}
function addSearchEngine(url) {
	try { 
		window.external.AddSearchProvider(url); 
		return false;
	} catch (e) { 
		alert('Sie benötigen einen Firefox Version 2 oder 3 oder den IE');
		return false;
	}
}