//preload nav rollovers
for(q=1;q<13;q++)
{
eval("nav"+q+"On = new Image();")
eval("nav"+q+"On.src = 'i/nav"+q+"_on.gif';")
eval("nav"+q+"Off = new Image();")
eval("nav"+q+"Off.src = 'i/nav"+q+"_off.gif';")
}

function over(x) {
document.images[x].src="i/"+x+"_on.gif";
}
function out(x) {
document.images[x].src="i/"+x+"_off.gif";
}