function isFocusOk()
  {
  return (parseInt(navigator.appVersion) >= 4 || navigator.appName == 'Netscape');
  }

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) { //v3.0
  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); 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];}
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}

function MM_setTextOfLayer(objName,x,newText) { //v3.0
  if ((obj=MM_findObj(objName))!=null) with (obj)
    if (navigator.appName=='Netscape') {document.write(unescape(newText)); document.close();}
    else innerHTML = unescape(newText);
}

function D2Array(vCols,vRows)
  {
  for(var i = 0;i < vCols;i++)
    { this[i] = new Array(vRows); }
  this.cols = vCols;
  this.rows = vRows;
  }
  
function empty(vcStr)
  {
  var regX = /^\s*$/;
  var llReturn = false;

  if(regX.exec(vcStr))
	{
    llReturn = true;
	}
  return llReturn;
  }  
  
function calcGPreis(cMenge,cEPreis)
  {
  var nMenge,aEPreis,nEPreis,cGPreis;
  nMenge  = parseInt(cMenge);
  aEPreis = cEPreis.split(' ');                       
  nEPreis = parseFloat(aEPreis[0].replace(/,/,'.'));
  cGPreis = xferCurrency(nEPreis*nMenge)+" "+aEPreis[1];
  return cGPreis.replace(/\./,',');
  }

function strToFloat(cWert)
  {
  return parseFloat(cWert.replace(/,/,'.'));
  }  

function xferCurrency(nWert) 
  {
  var cReturn = (Math.round(100*(nWert+0.00001))/100+0.001) + '';
  return cReturn.substring(0,cReturn.indexOf('.')+3);
  }