function swap(imgName, fileName)
{
var PreLoadImg = new Image();
PreLoadImg.src = fileName;
var imgObj = eval("document."+imgName);
if (typeof(imgObj)!='undefined') imgObj.src = fileName;
}
function swapthis(object,fileName)
{
var PreLoadImg = new Image();
PreLoadImg.src = fileName;
object.src = fileName;
}
function openSystemPopup(url)
{
popup = window.open('about:blank','detailpopup','scrollbars=yes, resizable=yes, height=400,width=750, top=50, left=50');
popup.document.write('buschfeld.de
');
}