function makeArray(len) {
        for (var i = 0; i < len; i++) this[i] = null;
        this.length = len;
}

function changeout(buttonnumber,status,longnum) {
        document['topnav' + buttonnumber].src = eval('navbutton_' + status + '[' + buttonnumber + '].src');
}

var navbutton_off = new makeArray(6);
navbutton_off[1] = new Image(67,25);
navbutton_off[1].src = "/images/topnav/home_off.gif";
navbutton_off[2] = new Image(97,25);
navbutton_off[2].src = "/images/topnav/aboutus_off.gif";
navbutton_off[3] = new Image(94,25);
navbutton_off[3].src = "/images/topnav/services_off.gif";
navbutton_off[4] = new Image(83,25);
navbutton_off[4].src = "/images/topnav/signup_off.gif";
navbutton_off[5] = new Image(114,25);
navbutton_off[5].src = "/images/topnav/contactus_off.gif";
navbutton_off[6] = new Image(74,25);
navbutton_off[6].src = "/images/topnav/tools_off.gif";

var navbutton_on = new makeArray(6);
navbutton_on[1] = new Image(67,25);
navbutton_on[1].src = "/images/topnav/home_on.gif";
navbutton_on[2] = new Image(97,25);
navbutton_on[2].src = "/images/topnav/aboutus_on.gif";
navbutton_on[3] = new Image(94,25);
navbutton_on[3].src = "/images/topnav/services_on.gif";
navbutton_on[4] = new Image(83,25);
navbutton_on[4].src = "/images/topnav/signup_on.gif";
navbutton_on[5] = new Image(114,25);
navbutton_on[5].src = "/images/topnav/contactus_on.gif";
navbutton_on[6] = new Image(74,25);
navbutton_on[6].src = "/images/topnav/tools_on.gif";