sfHover = function()
	{
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++)
     	{
			sfEls[i].onmouseover=function()
               	{
                         this.className+=" sfhover";
				}
			sfEls[i].onmouseout=function()
               	{
					this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
	    			}
    		}
	}

if (window.attachEvent) window.attachEvent("onload", sfHover);



function browsertest ()
{

  browser = "unbekannt";
  if (navigator.appName.search(/Microsoft/) != -1) browser = "msie";
  if (navigator.appName.search(/Netscape/) != -1) browser = "netscape";
  if (navigator.appName.search(/Opera/) != -1) browser = "opera";

  version = parseInt(navigator.appVersion.substring(0,1));
}



function zeige_bild (dateiname,breite,hoehe)
{
  var b = breite;
  var h = hoehe;
  if (browser == "netscape")
  {
    b = b + 16;
    h = h + 16;
    var commandstring = "window.open (\""+dateiname+"\""+", \"\","+"\"innerHeight="+h+", innerWidth="+b+"\");";
  }
  if (browser == "msie")
  {
    b = b + 20;
    h = h + 24;
    var commandstring = "window.open (\""+dateiname+"\""+", \"\","+"\"height="+h+", width="+b+"\");";
  }
  if (browser == "opera")
  {
    b = b + 15;
    h = h + 16;
    var commandstring = "window.open (\""+dateiname+"\""+", \"\","+"\"height="+h+", width="+b+"\");";
  }
  if (browser == "unbekannt")
  {
    b = b + 16;
    h = h + 16;
    var commandstring = "window.open (\""+dateiname+"\""+", \"\","+"\"height="+h+", width="+b+"\");";
  }
  eval(commandstring);
}