ie = navigator.appName.indexOf("Microsoft") != -1;
ns = navigator.appName.indexOf("Netscape") != -1;

function openWin(winname,docurl,width,height,x,y) {
	winHandle = eval("open('"+docurl+"','"+winname+"','width="+width+",height="+height+",screenX="+x+",screenY="+y+"')");
	winHandle.focus();
	if (ie) winHandle.moveTo(x,y);
}

function goscroll(url,breite,hoehe) {

	if (navigator.appVersion.substring(0,1) >= 4) {
    	xcoord = (screen.width - breite) / 2;
	    ycoord = (screen.height - hoehe) / 2;
		winInfos = "width="+breite+",height="+hoehe+",screenX="+xcoord+",screenY="+ycoord+",scrollbars=yes";
		winIdent = open(url,"",winInfos);
		if (navigator.appName == "Microsoft Internet Explorer") winIdent.moveTo(xcoord,ycoord);
	}
	else window.location.href=url;
}