function changePreview(param) {
	if (document.getElementById("previewpic")) {
		document.getElementById("previewpic").src = param;
	}
}
function openchat(windowurl) {
windowname = 'login';
height = 300;
width = 400;
if (navigator.userAgent.indexOf('MSIE') > -1) {
nleft = window.screenLeft + 50;
ntop = window.screenTop + 50;
}
else {
nleft = window.screenX + 50;
ntop = window.screenY + 50;
}
var options = 'top=' + ntop + ',left=' + nleft + ',height=' + height + ',width=' + width + ',scrollbars=no,status=no,location=no,menubar=no,resizable=no,toolbar=no';
window.open(windowurl, windowname, options);
}

function openwindow(windowurl) {
  var windowname = 'fenster';
  window.open(windowurl, windowname,'scrollbars=yes,status=yes,resizable=yes' );
}


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];}
}

boby.oncontextmenu=false;