<!-- mouseover code
if(document.images)

{
//load images
 
//Deficiency
Deficiency = new Image(78, 38); Deficiency.src = "images/tab1.jpg";
Deficiencyon = new Image(78, 38); Deficiencyon.src = "images/tab1_On.jpg";

//Pterins
Pterins = new Image(78, 38); Pterins.src = "images/tab2.jpg";
Pterinson = new Image(78, 38); Pterinson.src = "images/tab2_On.jpg";

//Conferences
Conferences = new Image(78, 38); Conferences.src = "images/tab3.jpg";
Conferenceson = new Image(78, 38); Conferenceson.src = "images/tab3_On.jpg";

//Literature
Literature = new Image(78, 38); Literature.src = "images/tab4.jpg";
Literatureon = new Image(78, 38); Literatureon.src = "images/tab4_On.jpg";

//Zurich
Zurich = new Image(78, 38); Zurich.src = "images/tab5.jpg";
Zurichon = new Image(78, 38); Zurichon.src = "images/tab5_On.jpg";

//websites
Databases = new Image(78, 38); Databases.src = "images/tab6.jpg";
Databaseson = new Image(78, 38); Databaseson.src = "images/tab6_On.jpg";

}

function imageon(name)   
{        
document[name].src = eval(name + "on.src");
}
function imageoff(name)  
{        
document[name].src = eval(name + ".src");
}

// -->