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_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function ShowLarge(Cat, Id) 
{
  var url = "showlarge.php?Cat=" + Cat + "&ID=" + Id; 
  myleft=(screen.width)?(screen.width-570)/2:100;
  mytop=(screen.height)?(screen.height-350)/2:100;
  newWin=window.open(url, 'Details', "width=570,height=350,top=" + mytop +",left=" + myleft+",scrollbars=no");
  newWin.focus();
}


function ContactPopup() 
{ 
 var breite=450; 
 var hoehe=600; 
 var positionX=((screen.availWidth / 2) - breite / 2); 
 var positionY=((screen.availHeight / 2) - hoehe / 2); 
 pop=window.open('contact_form.php','Kontakt','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,fullscreen=0,width='+breite+',height='+hoehe+',top=10000,left=10000'); 
 pop.resizeTo(breite,hoehe); 
 pop.moveTo(positionX,positionY); 
}