function zeigText(ausgang,ziel)
   {
      if (document.all)
      {
         document.all[ausgang].style.visibility = 'hidden';
		 document.all[ziel].style.visibility = 'visible';
      }
      else if (document.layers)
      {
         document.layers[ausgang].visibility = 'hide';
		 document.layers[ziel].visibility = 'show';
      }
      else if (document.getElementById)
      {
		 document.getElementById(ausgang).style.visibility = 'hidden';
		 document.getElementById(ziel).style.visibility = 'visible';

      }
   }
   
   
   function textWeg(ausgang,ziel)
   {
      if (document.all)
      {
         document.all[ausgang].style.visibility = 'visible';
		 document.all[ziel].style.visibility = 'hidden';
      }
      else if (document.layers)
      {
         document.layers[ausgang].visibility = 'show';
		 document.layers[ziel].visibility = 'hide';
      }
      else if (document.getElementById)
      {
		 document.getElementById(ausgang).style.visibility = 'visible';
         document.getElementById(ziel).style.visibility = 'hidden';
      }
   }

			
	function changeImages() 
		{
		if (document.images ) 
			{
			for (var i=0; i<changeImages.arguments.length; i+=2) 
				{
				document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
				}
			}
		}