var label = new Array("browser","recht","copy");
var nn5= document.layers ? true : false;
var ie5 = document.getElementById ? true : false;

function machnavi(lay)	{
		alleweg();
		zeigen(lay);
}

function zeigen(lay){
	if (ie5)	{
		document.getElementById(lay+'lay').style.visibility = "visible";
	} else if (nn5){
		document.layers[lay+'lay'].visibility = "visible";			
	}
}
function alleweg() {
	for (i=0;i<label.length;i++){
		var lay =label[i];
		if (ie5)	{
			document.getElementById(lay+'lay').style.visibility = "hidden";
		}
		else if (nn5){
			document.layers[lay+'lay'].visibility = "hide";			
		}
	}
}
function popup(wen,name, width, height,scoll){
	window.open(wen,name,"scrollbars=" + scoll + ",toolbar=no,directories=no,menubar=no,status=no,width=" + width + ",height=" + height);
}