var browser = navigator.userAgent.toLowerCase();
var ganzzahl = parseInt(navigator.appVersion);
var genauezahl = parseFloat(navigator.appVersion);
var explorer = ((browser.indexOf("msie") != -1) && (browser.indexOf("opera") == -1));
var explorer5 = (explorer && (ganzzahl == 4) && (browser.indexOf("msie 5.0")!=-1));
var explorer5_5 = (explorer && (ganzzahl == 4) && (browser.indexOf("msie 5.5") !=-1));
var explorer6 = (explorer && (ganzzahl == 4) && (browser.indexOf("msie 6.0") !=-1) && (browser.indexOf("msie 8.0")==-1));
var explorer7_down = (explorer && (explorer6 || explorer5_5 || explorer5));
var explorer7 = (explorer && (ganzzahl == 4) && (browser.indexOf("msie 7.0") !=-1));
if (document.all && explorer && explorer7_down)
  {
  // IE 6 und älter
  }
  else
    {
    // Andere Browser
    if (document.getElementById("opi"))
      {
      if ((document.getElementById("opi").src!="") && (document.getElementById("opi").src!="undefined"))
        {
        document.getElementById("contain").style.background="url("+document.getElementById("opi").src+") no-repeat";
        var breit = xWidth("opi");
        var hoch = xHeight("opi");
        document.getElementById("h").style.marginLeft=(breit) + "px";
        document.write("<div class=\"piri\" style=\"width: " + breit + "px; height: "+ (hoch - xHeight("h") - 13 + 3 /* Mehr Abstand */) +"px;\"><\/div>");
        document.getElementById("opi").style.display="none";
        }
      }
    }