function transparency(element,percentage) 
{
 var i, count, objStyle, filterValue, opacityValue;
 if(document.getElementById) {
  if(typeof(element)=="object" && element) { obj=element; }
  else if (document.getElementsByName(element) && document.getElementsByName(element)[0]) { obj=document.getElementsByName(element); }
  else if (document.getElementById(element)) { obj=document.getElementById(element); }
  else if (document.getElementsByTagName && document.getElementsByTagName(element) && document.getElementsByTagName(element)[0]) { obj=document.getElementsByTagName(element); }
  else { obj=false; }
  if(obj) {
   percentage=(typeof(percentage)=="undefined")?50:100-percentage;
   filterValue="Alpha(opacity="+percentage+")";
   opacityValue=""+percentage/100;
   count=(obj.length)?obj.length:1;
   for(i=0;i<count;i++) {
    objStyle=(obj.length)?obj[i].style:obj.style;
    objStyle.filter=filterValue;
    objStyle.MozOpacity=opacityValue;
    objStyle.KhtmlOpacity=opacityValue;
    objStyle.opacity=opacityValue;
   }
  }
 }
}

function MM_findObj(n, d) 
{
	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() 
{
	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; 
		}

	if(v == 'visible')
	{
		document.getElementById(args[0]+"LINK").style.color = "#C41230";
		document.getElementById(args[0]+"CELL").style.backgroundColor = "#FFFFFF";
		document.getElementById(args[0]+"SPACER").style.backgroundColor = "#FFFFFF";
		transparency(args[0]+"CELL",0);
	}
	else
	{
		document.getElementById(args[0]+"LINK").style.color = "#666666";
		document.getElementById(args[0]+"CELL").style.backgroundColor = "#FFFFFF";
		document.getElementById(args[0]+"SPACER").style.backgroundColor = "transparent";
		transparency(args[0]+"CELL",50);
	}

}


function PruefeDatum(art)
 {
  var startdate=document.myform.StartDate.value
  var enddate=document.myform.EndDate.value

  var startDate=new Date(startdate);
  var endDate=new Date(enddate);

  if(art==1)  //startdatum ge&auml;ndert
    {
     var erg = startdate.match(/[0-9]{1,2}.[0-9]{1,2}.[0-9]{2,4}/gi);
    if(!erg) {
      alert(meldg1);
      document.myform.StartDate.focus();
      return false;
      }
    }

  else   //endedatum
    {
    var erg = enddate.match(/[0-9]{1,2}.[0-9]{1,2}.[0-9]{2,4}/gi);
    if(!erg) {
      alert(meldg1);
      document.myform.EndDate.focus();
      return false;
      }
    }
}

function CheckAmount(x,y) {

var element = x.substr(0,x.indexOf("$"));

var max = parseInt(x.substr(x.indexOf("$")+1,x.length-1));

var amount = parseInt(document.getElementsByName(element)[0].value);

var bestandsfuehren=parseInt(y);

//document.getElementsByName("Fehler")[0].value ="";

if(amount < 0)
	{
		amount = 0;
		document.getElementsByName(element)[0].value = amount;
	}

if(isNaN(amount))
	{
		amount = 0;
		document.getElementsByName(element)[0].value = amount;
	}

if(bestandsfuehren==1)
{
 if(amount>max)
   {
   amount = max;
   document.getElementsByName(element)[0].value = amount;
   //document.getElementsByName("Fehler")[0].value =z;
   }
 }

}


<!--4dscript/pws_clear_up/-->