gl_fenster = null;
gl_bild = null;
gl_bildname = null;
gl_counter = 0;

function showpic(url)
{
	schliesseFenster();
	gl_bildname = url;
	parameter = "width=250,height=100,toolbar=no,status=no,scrollbars=no,resizable=yes,menubar=no";
	gl_fenster = window.open("/fotos/bittewarten.htm","Warten",parameter);
	gl_fenster.focus();
	gl_bild = new Image();
	/* alert (gl_weiche); */
	gl_bild.onload = function zeigeBild(){
			schliesseFenster();
			oeffneFenster(gl_bild.width,gl_bild.height,gl_bildname);
		}
	gl_bild.src = (gl_bildname);
	if (gl_bild.onload == undefined) { alternative_warteaufBild(); }
}

function alternative_warteaufBild()
{
        gl_fenster.focus();
        if ((gl_bild.width != 0)&&(gl_bild.height != 0 ))
        {
		schliesseFenster();
		oeffneFenster(gl_bild.width,gl_bild.height,gl_bildname);
        }
        else
        {
                window.setTimeout("alternative_warteaufBild",250);
        };
}

function schliesseFenster()
{
	if ((gl_fenster != null)&&(!gl_fenster.closed))
        {
	gl_fenster.close();
	};
}

function oeffneFenster(w,h,bildname)
{
        w = w + 20 ;
	h = h + 20;
	parameter = "width=" + w + ",height="+ h +",toolbar=no,status=no,scrollbars=no,resizable=no,menubar=no";
	gl_fenster = window.open(bildname,"Foto",parameter);
	gl_fenster.focus();
}