function LZM_openBrWindow(theURL,winName,features) {
	var hoehe = screen.availHeight, breite = screen.availWidth;
	features = features.split(",");
	for(var x=0;x<features.length;x++){
		if(features[x].indexOf("centered")>-1){
			var zentriert = true;
			features.shift();
			x=0;
		}
		if (zentriert){
			if(features[x].indexOf("width")>-1)
				features.push("left="+Math.floor((breite - features[x].split("=")[1])/2))
			else if(features[x].indexOf("height")>-1)
				features.push("top="+Math.floor((hoehe - features[x].split("=")[1])/2))
		}
	}
	window.open(theURL,winName,features).focus();
}