// *************************************
  //
  // addLoadEvent()
  //
  // Fuegt window.onload ein Event hinzu, ohne die aktuell 
  // zugewiesene onload-Funktion zu ueberschreiben.
  //
  // Quelle: Simon Willison's weblog - http://simon.incutio.com/
  //
  // *************************************
  
  function addLoadEvent(func) {
    var oldonload = window.onload;
    if (typeof window.onload != 'function') {
      window.onload = func;
    } else {
      window.onload = function() {
        oldonload();
        func();
      }
    }
  }    
  
  // *************************************
  //
  // MM-Funktionen fuer Rollover und PopUps 
  //
  // *************************************
  
  function MM_findObj(n, d) { //v4.01
    var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
      d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
    if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
    for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
    if(!x && d.getElementById) x=d.getElementById(n); return x;
  }
  
  function MM_preloadImages() { //v3.0
    var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
      var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
      if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
  }
  
  function MM_swapImgRestore() { //v3.0
    var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
  }
  
  function MM_swapImage() { //v3.0
    var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
     if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
  }
  
  function MM_openBrWindow(theURL,winName,features) { //v2.0
    window.open(theURL,winName,features);
  }  

  function MM_init() {   
    eval("MM_preloadImages(\'"+aHoverIcons.join('\', \'')+"\')");
  }
    
  addLoadEvent(MM_init);    
  
  // *************************************
  //
  // Icon-Rollover-Effekt dynamisch erzeugen
  //
  // (c) 2006, Axel Pawellek
  //           http://punkt-p.de
  //
  // *************************************
  
  var aHoverIcons = ['/fileadmin/templates/grfx/icon_top_hover.gif'];
  var dynIconId = 0;
  
  function iconRollInit() {
    if (!document.getElementsByTagName) return;
    var aImg = document.getElementsByTagName('img');
    var regAus = /fileadmin\/templates\/grfx\/icon\_([^\/\_]*)\.(gif|jpg)/;
    var regAus2 = /uploads\/RTEmagicC_icon\_(i|top|forward|back|popup|home|mail).*\.(gif|jpg)/;
    var regAus3 = /fileadmin\/images\/icons\/icon\_([^\/\_]*)\.(gif|jpg)/;
    for (var i=0; i<aImg.length; i++) {
      if (regAus.exec(aImg[i].src) || regAus2.exec(aImg[i].src) || regAus3.exec(aImg[i].src)) {      
        var hoverSrc = 'fileadmin/templates/grfx/icon_'+RegExp.$1+'_hover.'+RegExp.$2;
        var imgId = aImg[i].id;
        if (!imgId) imgId = aImg[i].name;
        if (!imgId) {
          imgId = 'mh_icon_'+dynIconId++;
          aImg[i].id = imgId;
          aImg[i].name = imgId;
        }
        for (var j=0; j<aHoverIcons.length; j++) {
          if (aHoverIcons[j].indexOf(hoverSrc)>-1 || hoverSrc.indexOf(aHoverIcons[j])>-1) {
            eval("aImg[i].onmouseover = function() { MM_swapImage('"+imgId+"', '', '"+hoverSrc+"', 1) };");
            aImg[i].onmouseout = MM_swapImgRestore;
            break;
          }
        }      
      }
    }
  }
    
  addLoadEvent(iconRollInit);
  
  // *****************************************************
  //
  // Mailto-Links dynamisch mit onclick-Events versehen
  //
  // (c) 2006, Axel Pawellek
  //           http://punkt-p.de
  //
  // *****************************************************
  
  function mailtoInit() {
    if (!document.getElementsByTagName) return;
    var aAs = document.getElementsByTagName('a');
    for (var i=0; i<aAs.length; i++) {
      if (aAs[i].href.indexOf('mailto:')==0 && aAs[i].href.indexOf(String.fromCharCode(64))==-1) {
        aAs[i].onclick = function() { 
          if (this.href.indexOf(String.fromCharCode(64))==-1)
            this.href += String.fromCharCode(64)+'mercatorhalle.de'; 
        }
      }
    }
  }
  
  addLoadEvent(mailtoInit);