function ChangeImage(tausch_bild_name,neues_bild_name) {
	window.document[tausch_bild_name].src = "images/"+neues_bild_name+".gif";
}

function repaint() {
	document.topicTicker.setParameter('header', document.forms[0].header.value);
	document.topicTicker.setParameter('wrapSpace', document.forms[0].wrapSpace.value);
	document.topicTicker.setParameter('target', document.forms[0].target.value);
	document.topicTicker.setParameter('border', document.forms[0].border.value);
	document.topicTicker.setParameter('background', document.forms[0].background.value);
}

function OpenWindow(theURL,winName,features) {
	window.open(theURL,winName,features);
}

function SetSelectedText(obj, text) {
	if (obj.createTextRange && obj.caretPos)
	{
		obj.caretPos.text = text;
		obj.caretPos.select();
	}
	else
	{
		obj.value += text;
	}
}

function StoreCaret(obj) {
	if (obj.createTextRange)
	{
		obj.caretPos = document.selection.createRange().duplicate();
	}
}

function GetSelectedText(obj)
{
	if (obj.createTextRange && obj.caretPos)
	{
		return obj.caretPos.text;
	}
	else
	{
		return "";
	}
}


function MM_findObj(n, d) { //v4.0
  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);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_changeProp(objName,x,theProp,theValue) { //v3.0
  var obj = MM_findObj(objName);
  if (obj && (theProp.indexOf("style.")==-1 || obj.style)) eval("obj."+theProp+"='"+theValue+"'");
}

		// Get browser type
		// Object "document.layers" only exists in Netscape Navigator
		if(document.layers)  
		{
		     ns = 1; ie = 0; 
		} 
		else 
		{
		     ns = 0; ie = 1;
		}

		// Style Sheet for Netscape Communicator, tree items are positioned absolute.
		// Unlike Internet Explorer, attribute "visibility" is used to show
		// or hide tree items.
		if(ns)
		{
			document.write( "<style type='text/css'>" +
								".child { position:absolute; visibility:hidden; }" +
								".parent { position:absolute; visibility:show; }" +
							"</style>");
		}

		// Style Sheet for Internet Explorer, tree items are positioned relative.
		// Unlike Netscape Communicator, attribute "display" is used to show 
		// or hide tree items.
		if(ie)
		{
			document.write( "<style type='text/css'>" +
								".child { display:none; position:relative; }" +
								".parent { display:block; position:relative; }" +
							"</style>");
		}

		//============================================================================
		// function NetscapeInit()
		// 
		// Due to the relative positions of the tree items in Netscape Navigator, 
		// each position has to be set before the first display.
		//============================================================================
		function NetscapeInit()
		{
			for(var iI=0 ; iI < document.layers.length; iI++)
			{
				document.layers[iI+1].top = document.layers[iI].y
				if (document.layers[iI].visibility == "show")
				{ 
					document.layers[iI+1].top += document.layers[iI].clip.height;
				}
			}
		}

		//============================================================================
		// function ExpandShrink()
		// 
		// Shows or hides an item in the tree identified by iItem
		//
		// Numeration is as follows:
		//
		// parent(0)
		//   |
		//   +-- child(1)
		// parent(2)
		//   |
		//   +-- child(3)
		// ...
		//============================================================================
		function ExpandShrink(iItem)
		{
			if(ns)
			{
				if(document.layers[iItem].visibility == "show")
				{
					for(var iI=iItem+1; iI<document.layers.length; iI++)
					{
						document.layers[iI].top -= document.layers[iItem].clip.height;
					}
					document.layers[iItem].visibility = "hide";
				}
				else if(document.layers[iItem].visibility == "hide")
				{
					for(var iI=iItem+1; iI<document.layers.length; iI++)
					{
						document.layers[iI].top += document.layers[iItem].clip.height;
					}	
					document.layers[iItem].visibility = "show";
				}
			}
			if(ie)
			{
				if(document.all["item"+(iItem+1)].style.display == "none" || document.all["item"+(iItem+1)].style.display == "")
				{
					document.all["item"+(iItem+1)].style.display = "block";
				}
				else if(document.all["item"+(iItem+1)].style.display == "block")
				{
					document.all["item"+(iItem+1)].style.display = "none";
				}
			}
		}