/* 
 * event handler toggelElement
 *
 * @param: elementId - id of the news element
 */
toggelElement = function(elementId) {
	effectEl = document.getElementById(elementId);
	if(effectEl.className.search(/.*open.*/) != -1) {
		effectEl.className=effectEl.className.replace(/ open/g, '');
	}
	else {
		effectEl.className+=' open';
	}
}