function image_popup(url,breite){
		
		if(breite != null){
			var width=breite;
			var height=breite;
			var l = (screen.availWidth - width) / 2;
			var t = (screen.availHeight - height) / 4;
			newwindow = window.open("https://www.bezirksamtsblatt.ch/modules/system/cmd_image_popup.php?src="+url+"&width="+width,"newwindow",
				"width=" +breite+",height=" +height+",screenX="+l+",screenY="+t+",left=" +l+",top="+t+",scrollbars=0,resizable=0,menubar=no");
			newwindow.focus();
		}else{
			var breite=screen.availWidth-8;
			var width=breite;
			var height=screen.availHeight;
			
			var l = (screen.availWidth - width) / 2;
			var t = (screen.availHeight - height) / 4;
			newwindow = window.open("https://www.bezirksamtsblatt.ch/modules/system/cmd_image_popup.php?src="+url+"&width="+width,"newwindow",
				"width=" +breite+",height=" +height+",screenX="+l+",screenY="+t+",left=" +l+",top="+t+",scrollbars=0,resizable=0,menubar=no");
			newwindow.focus();
		}
	}

	function popup(url,breite,hoehe){
		var url;
		var width=breite;
		var height=hoehe;
		var l = (screen.availWidth - width) / 2;
		var t = (screen.availHeight - height) / 2;
		newwindow = window.open(url,"newwindow",
			"width=" +breite+",height=" +hoehe+",screenX="+l+",screenY="+t+",left=" +l+",top="+t+",scrollbars=yes,resizable=0,menubar=no");
		newwindow.focus();
	}
	
	function confirm_delete(url, type){
		if(type == null){
			if(confirm('Wirklich löschen?') == true)
				window.location = url;
		}else if(type == "cat"){
			if(confirm('Kategorie wirklich löschen?\n\nEinträge, die nur in dieser Kategorie sind, \nwerden komplett gelöscht!') == true)
				window.location = url;
		}
	}
	
	function show_layer(id, show){
		if(show){
			document.getElementById(id).style.display = "";
			document.getElementById(id).style.visibility = "visible";
		}
		else{
			document.getElementById(id).style.display = "none";
			document.getElementById(id).style.visibility = "hidden";
		}
	}
	
	function layer_visible(id){
		var vis = document.getElementById(id).style.visibility; 
		return ((vis == "visible") || (vis == ""));
	}
	
	function toggle_layer(id){
		show_layer(id, !layer_visible(id));
	}
	
	function goto_url(url){
		window.location = url; 
	}

	
	
	
function showWMTT(id) {
	wmtt = document.getElementById(id);
	wmtt.style.display = "block";
}

function hideWMTT() {
	wmtt.style.display = "none";
}