function preloadPics()  
{
	if (document.images)
	{
		for(i=0; i<preloadPics.arguments.length; i=i+2)
		{
    		eval(preloadPics.arguments[i]+" = new Image()");
    		eval(preloadPics.arguments[i]+".src = '"+FilePathLayer+preloadPics.arguments[i+1]+"';");
    	}
	}
}

function preloadMenu()  
{
	FilePath="bilder/";
	if (document.images)
	{
		for(i=0; i<preloadMenu.arguments.length; i=i+2)
		{
    		eval(preloadMenu.arguments[i]+" = new Image()");
    		eval(preloadMenu.arguments[i]+".src = '"+FilePath+preloadMenu.arguments[i+1]+"';");
    	}
	}
}

function changepic(imgName)
{
	if (document.images)
	{
		imgOn=eval(imgName + "on.src");
		document[imgName].src= imgOn;
	}
}

function changeback(imgName)
{
	if (document.images)
	{
		imgOff=eval(imgName + "off.src");
		document[imgName].src= imgOff;
	}
}

function vis(divId)
{
	for(i=0;i<visLength;i++)
	{
		if(visArray[i].indexOf(divId)==0)
		{
			if (document.all) 
			{
				eval(divId+'.style.visibility="visible"');
			}
			if (document.layers)
			{
				document.eval(divId).visibility="show";
			}
			if (document.getElementById && !document.all)
			{
				document.getElementById(divId).style.visibility="visible";
			}
			visArray[i]=divId+"+1";
			break;
		}
	}
}

function invis(divId)
{
	for(i=0;i<visLength;i++)
	{
		if(visArray[i].indexOf(divId)==0)
		{
			if (document.all) 
			{
				eval(divId+'.style.visibility="hidden"');
			}
			if (document.layers)
			{
				document.eval(divId).visibility="hide";
			}
			if (document.getElementById && !document.all)
			{
				document.getElementById(divId).style.visibility="hidden";
			}
			visArray[i]=divId;
			break;
		}
	}
}


function hideAll()
{
	for(i=0;i<visLength;i++)
	{
		if(visArray[i].indexOf("+1")>0)
		{
			divId=visArray[i].substr(0,visArray[i].length-2)
			if (document.all)
			{
				eval(divId+'.style.visibility="hidden"');
			}
			if (document.layers)
			{
				document.eval(divId).visibility="hide";
			}
			if (document.getElementById && !document.all)
			{
				document.getElementById(divId).style.visibility="hidden";
			}
			visArray[i]=divId;
		}
	}
}

function makeVisible(pic,id)
{
	changepic(pic);
	hideAll();
	vis(id);
}

function inVisible(pic)
{
	changeback(pic);
	hideAll();
}