function showHideWin()
{ 
  var i, visStr, obj, args = showHideWin.arguments;
  for (i=0; i<(args.length-1); i+=2)
  {
    if ((obj = findObj(args[i])) != null)
    {
      visStr = args[i+1];
      if (obj.style)
      {
        obj = obj.style;
        if(visStr == 'show') visStr = 'block';
        else if(visStr == 'hide') visStr = 'none';
      }
      obj.display = visStr;
    }
  }
}


function moveLayerToMouseLoc(theLayer, offsetH, offsetV)
{
  var obj;
  if ((findObj(theLayer))!=null)
  {
    if (document.layers)  //NS
    {
      document.onMouseMove = getMouseLoc;
      obj = document.layers[theLayer];
      obj.left = mLoc.x +offsetH;
      obj.top  = mLoc.y +offsetV;
    }
    else if (document.all)//IE
    {
      getMouseLoc();
      obj = document.all[theLayer].style;
      obj.pixelLeft = mLoc.x +offsetH;
      obj.pixelTop  = mLoc.y +offsetV;
    }
    showHideWin(theLayer,'show');
  }
}

// get mouse location
function Point(x,y) {  this.x = x; this.y = y; }
var mLoc = new Point(-500,-500);
function getMouseLoc(e)
{
  if(!document.all)  //NS
  {
    mLoc.x = e.pageX;
    mLoc.y = e.pageY;
  }
  else               //IE
  {
    mLoc.x = event.x + document.body.scrollLeft;
    mLoc.y = event.y + document.body.scrollTop;
  }
  return true;
}
//NS init:
if(document.layers){ document.captureEvents(Event.MOUSEMOVE); document.onMouseMove = getMouseLoc; }

function disableLink()
{
  var i, obj, args = disableLink.arguments;
  for (i=0; i<(args.length); i++)
  {
    if ((obj = findObj(args[i])) != null)
    {
		obj.href='javascript:void(0)';
		obj.target='';
    }
  }
}

function setStatusBar(msgStr) { self.status = msgStr; return true; }

function findObj(theObj, theDoc)
{
  var p, i, foundObj;
  
  if(!theDoc) theDoc = document;
  if( (p = theObj.indexOf("?")) > 0 && parent.frames.length)
  {
    theDoc = parent.frames[theObj.substring(p+1)].document;
    theObj = theObj.substring(0,p);
  }
  if(!(foundObj = theDoc[theObj]) && theDoc.all) foundObj = theDoc.all[theObj];
  for (i=0; !foundObj && i < theDoc.forms.length; i++) 
    foundObj = theDoc.forms[i][theObj];
  for(i=0; !foundObj && theDoc.layers && i < theDoc.layers.length; i++) 
    foundObj = findObj(theObj,theDoc.layers[i].document);
  if(!foundObj && document.getElementById) foundObj = document.getElementById(theObj);
  
  return foundObj;
}


function switchImage(imgName, imgSrc) 
{
  if (document.images)
  {
    if (imgSrc != 'none')
    {
      document.images[imgName].src = imgSrc;
    }
  }
}

function toggleAbstract(absSec, imgName)
{ 
  var obj;
  
  if ((obj = findObj(absSec)) != null)
  {
    if (obj.style)
    {
      obj = obj.style;
      if(obj.display == 'none')
      {	
	    obj.display = 'block';
		switchImage(imgName, 'img/up.gif');
	  }
	  else
      {	
	    obj.display = 'none';
		switchImage(imgName, 'img/down.gif');
	  }	 
    }
  }

  setAbstractStatus(absSec);
}

function setAbstractStatus(absSec)
{ 
  var obj, msgStr = '';
  
  if ((obj = findObj(absSec)) != null)
  {
    if (obj.style)
    {
      obj = obj.style;
      if(obj.display == 'none')
      {
		  msgStr = 'Zusammenfassung anzeigen';
	  }
	  else
      {	
		  msgStr = 'Zusammenfassung verbergen';
	  }	 
    }
  }

  return setStatusBar(msgStr);
}