menu1 = new Image(); 
    menu1.src = "gif/home_org.gif"; 
    high1 = new Image(); 
    high1.src = "gif/home_high.gif";
	
    menu2 = new Image(); 
    menu2.src = "gif/research_org.gif"; 
    high2 = new Image(); 
    high2.src = "gif/research_high.gif";
   
    menu3 = new Image(); 
    menu3.src = "gif/publi_org.gif"; 
    high3 = new Image(); 
    high3.src = "gif/publi_high.gif";

    menu4 = new Image(); 
    menu4.src = "gif/presen_org.gif"; 
    high4 = new Image(); 
    high4.src = "gif/presen_high.gif";

    menu5 = new Image(); 
    menu5.src = "gif/interests_org.gif"; 
    high5 = new Image(); 
    high5.src = "gif/interests_high.gif";


    menu6 = new Image(); 
    menu6.src = "gif/links_org.gif"; 
    high6 = new Image(); 
    high6.src = "gif/links_high.gif";



function Bildwechsel(Bildnr,Bildobjekt)
  	  {
 	    window.document.images[Bildnr].src = Bildobjekt.src;
  	  }


function Go(newhtml)
     	{
      	if(newhtml == "nothing")
      	{
       	 	document.forms[0].reset();
        	document.forms[0].elements[0].blur();
        	return;
      	}
      	else
      	{
        	window.open(newhtml,'poprefs','toolbar=no, scrollbars=no, width=900, height=620, left=50, top=50');
        	document.forms[0].reset();
        	document.forms[0].elements[0].blur();
      	}
        }
 
function Gosmall(newhtml)
     	{
      	if(newhtml == "nothing")
      	{
       	 	document.forms[0].reset();
        	document.forms[0].elements[0].blur();
        	return;
      	}
      	else
      	{
        	window.open(newhtml,'poprefs','toolbar=no, scrollbars=no, width=500, height=370, left=50, top=50');
        	document.forms[0].reset();
        	document.forms[0].elements[0].blur();
      	}
        }