b1=new Array();
b2=new Array();
if (window.document.images)
for(i=1; i<=10; i++) {
b2[i]=new Image();
b2[i].src='/pict/buttons/kw'+i+'.gif'}
function On(n){if(window.document.images)if(b2[n]){document.images['p'+n].src = b2[n].src}}
function Of(n){if(window.document.images) document.images['p'+n].src = '../pict/null.gif'}
function OfM(n){if(window.document.images) document.images['p'+n].src = '../pict/buttons/kb7.gif'}