function openWin (URL,WinName, weite, hoehe, features){
        var iMyWidth;
        var iMyHeight;
        iMyWidth = (window.screen.width/2) - (weite / 2) - 5;
        iMyHeight = (window.screen.height/2) - (hoehe / 2) - 15;
        openWindow = window.open(URL,WinName,"height="+hoehe+",width="+weite+",left="+iMyWidth+",top="+iMyHeight+",screenX="+iMyWidth+",screenY="+iMyHeight+","+features+"");   
		openWindow.focus();
}