/**
 * @author Wolfgang
 */
	
function showItOrNot(elementId, imageTagName){
	if (document.getElementById(elementId).style.visibility == 'hidden'){
		document.getElementById(elementId).style.visibility = 'visible';
		document.images[imageTagName].src = 'fileadmin/templates/images/uebersicht-js-arrow-act.gif';
		
	}else{
		document.getElementById(elementId).style.visibility = 'hidden';
		document.images[imageTagName].src = 'fileadmin/templates/images/uebersicht-js-arrow-no.gif';
	}
}