function show_nextuser (id) {
	var e;
	
	e = document.getElementById('nextuser'+id);
	if (e) {
		if (e.style.display == 'block') {
			e.style.display = 'none';
		}	
		else {
			e.style.display = 'block';
		}	
	}

}

function show_image (id) {
	var e;
	e = document.getElementById(id);
	if (e) {
		if (e.style.display == 'block') {
			e.style.display = 'none';
		}	
		else {
			e.style.display = 'block';
		}	
	}

}

function buttonNo(id) {
	var e;
	e = document.getElementById(id);
	if ( e) {
		e.style.display='none';
		e = document.getElementById(id+"_PopUP_main");
		if (IE && e) {
			// nun die unter dem Element liegenden Listboxen holen und unsichtbar machen
			hidden = new Array();
			for(j=0; j<document.forms.length; j++) {
				var myform = document.forms[j];
				for(i=0; i<myform.elements.length; i++) {
					var e = myform.elements[i];
					var mt = e.type;
					if (mt=='select-one' || mt=='select-multiple' || mt=='textarea') {
						e.style.visibility = 'visible';
						this.hidden.push(e);
					}
				}
			}
		}	
	}
}

var IE=document.all ? true : false;

function showRows(r) {
	var e; 
	for(i=0; ; i ++ ) {
		e = document.getElementById("id_"+r+"_"+i);
		if ( e ) {
			e.style.display = ( IE ? "block" : "table-row" );
		} else {
			break;
		}

	}

}