/* alle Checkboxen auswählen */

var checkflag = "false";
function check(field) {
if (checkflag == "false") {
for (i = 0; i < field.length; i++) {
field[i].checked = true;}
checkflag = "true";
return " keine "; }
else {
for (i = 0; i < field.length; i++) {
field[i].checked = false; }
checkflag = "false";
return " alle "; }
}


/* Pop Up-Fenster */
function PopUp(url,width,height,name){
	var fenster;
	var w = width;  // Fensterbreite in Pixeln
	var h = height; // Fensterhöhe in Pixeln

	fenster = window.open(
		'',					// URI, wird weiter unten übergeben
		name,				// Name des neuen Fensters
		+',toolbar=0'		// Toolbar
		+',location=0'		// Adress-Leiste
		+',directories=0'	// Zusatzleisten
		+',status=0'		// Statusleiste
		+',menubar=0'		// Menü
		+',scrollbars=1'	// Scrollbars
		+',resizable=1'		// Fenstergrösse veränderbar?
		+',width=' +w		// Fensterbreite in Pixeln
		+',height=' +h		// Fensterhöhe in Pixeln
	);

	// Dateiname und Pfad der Datei, die angezeigt werden soll
	fenster.location.href = url;

	// Fensterposition
	var x = (screen.availWidth-w)/2;     // X-Koordinate
	var y = (screen.availHeight-h-50)/2; // Y-Koordinate

	fenster.moveTo(x,y);
	fenster.focus();
}

function come2daddy(url,close) {
	opener.location.href=url;
	if(close==1)	self.close();
}



function changeTextOnClick(id,text){
    document.getElementById(id).innerHTML = text;
}

function showhide(lnk){
	var disp = document.getElementById(lnk);
	if(disp.style.display == "none"){
		disp.style.display = "block";
	} else {
		disp.style.display = "none";
	}
}

function show(lnk){
	var disp = document.getElementById(lnk);
	if(disp.style.display == "none"){
		disp.style.display = "block";
	}
}

function hide(lnk){
	var disp = document.getElementById(lnk);
	if(disp.style.display == "block"){
		disp.style.display = "none";
	}
}

function showbyoption(option,value,id){
	if(option == value){
		document.getElementById(id).style.display = "";
	}else{
		document.getElementById(id).style.display = "none";
	}
}