var cleared = 0;
  function clearField(field)
  {
   if (cleared != 1)
   {
    field.value = "";
    cleared = 1;
   }
   else
   {
    cleared = 0;
   }
  }

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_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_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];}
}

//Rollover auf Startseite

bilderquelle = "fileadmin/portal/media/startseite/";

if (document.images)   {
     image1on = new Image();
     image1on.src= bilderquelle + "1b.jpg";
	 image2on = new Image();
     image2on.src= bilderquelle + "2b.jpg";
	 image3on = new Image();
     image3on.src= bilderquelle + "3b.jpg";
	 image4on = new Image();
     image4on.src= bilderquelle + "4b.jpg";
	 image5on = new Image();
     image5on.src= bilderquelle + "5b.jpg";
	 image6on = new Image();
     image6on.src= bilderquelle + "6b.jpg";
	 image7on = new Image();
     image7on.src= bilderquelle + "7b.jpg";
	 image8on = new Image();
     image8on.src= bilderquelle + "8b.jpg";
	 image9on = new Image();
     image9on.src= bilderquelle + "9b.jpg";
	 image10on = new Image();
     image10on.src= bilderquelle + "10b.jpg";
	 image11on = new Image();
     image11on.src= bilderquelle + "11b.jpg";
	 image12on = new Image();
     image12on.src= bilderquelle + "12b.jpg";
	 image13on = new Image();
     image13on.src= bilderquelle + "13b.jpg";
	 image14on = new Image();
     image14on.src= bilderquelle + "14b.jpg";
	 image15on = new Image();
     image15on.src= bilderquelle + "15b.jpg";
	 image16on = new Image();
     image16on.src= bilderquelle + "16b.jpg";
	 image17on = new Image();
     image17on.src= bilderquelle + "17b.jpg";
	 image18on = new Image();
     image18on.src= bilderquelle + "18b.jpg";

	 image1off = new Image();
     image1off.src= bilderquelle + "1a.jpg";
	 image2off = new Image();
     image2off.src= bilderquelle + "2a.jpg";
	 image3off = new Image();
     image3off.src= bilderquelle + "3a.jpg";
	 image4off = new Image();
     image4off.src= bilderquelle + "4a.jpg";
	 image5off = new Image();
     image5off.src= bilderquelle + "5a.jpg";
	 image6off = new Image();
     image6off.src= bilderquelle + "6a.jpg";
	 image7off = new Image();
     image7off.src= bilderquelle + "7a.jpg";
	 image8off = new Image();
     image8off.src= bilderquelle + "8a.jpg";
	 image9off = new Image();
     image9off.src= bilderquelle + "9a.jpg";
	 image10off = new Image();
     image10off.src= bilderquelle + "10a.jpg";
	 image11off = new Image();
     image11off.src= bilderquelle + "11a.jpg";
	 image12off = new Image();
     image12off.src= bilderquelle + "12a.jpg";
	 image13off = new Image();
     image13off.src= bilderquelle + "13a.jpg";
	 image14off = new Image();
     image14off.src= bilderquelle + "14a.jpg";
	 image15off = new Image();
     image15off.src= bilderquelle + "15a.jpg";
	 image16off = new Image();
     image16off.src= bilderquelle + "16a.jpg";
	 image17off = new Image();
     image17off.src= bilderquelle + "17a.jpg";
	 image18off = new Image();
     image18off.src= bilderquelle + "18a.jpg";

}

function turnOn(bildName)   {
     if (document.images)   {
     document[bildName].src = eval(bildName + "on.src");
     }
}

function turnOff(bildName)   {
     if (document.images)   {
     document[bildName].src = eval(bildName + "off.src");
     }
}