// Inside an item
function inside(item) {
    document.getElementById(item).bgColor = "#ff9900";
}

// Clicked on an item
function clicked(item) {
    window.location = "http://nidhoggr.lsi.upc.edu/~nyebit/submit/" + item + ".php";
}

// Left an item
function outside(item) {
    document.getElementById(item).bgColor = "#990000";
}