var categories = new Array(new Array('Warteliste: Kategorie II (13)',6,2),
new Array('total6',6,1));

function updateReg() {
for (var i=0; i < categories.length; i++) {
el = document.getElementById(categories[i][0]);
if(el==null){ continue;}
el.innerHTML=(categories[i][1]/categories[i][2]);
}
}
updateReg();