function openmenu(id) {
theitem = document.getElementById(id).style;
if ((lastitem != false) && (lastitem != id)) {
document.getElementById(lastitem).style.display = 'none';
}
if (theitem.display == 'none') {
theitem.display = '';
} else {
theitem.display = 'none';
}
lastitem = id;
}
function swapimage(id,ovr) {
if (ovr == 1) {
document.images["img_"+id].src = imgs[id].over.src;
} else {
document.images["img_"+id].src = imgs[id].up.src;
}
}
function img (src) {
this.up = new Image();
this.up.src = path+src+".gif";
this.over = new Image();
this.over.src = path+src+"-over.gif";
}
var lastitem = false;
var path = "/images/menu/";
var imgs = new Array();
imgs[1] = new img('home');
imgs[3] = new img('why_asphalt');
imgs[2] = new img('design_options');
imgs[4] = new img('photos');
imgs[5] = new img('questions');
imgs[6] = new img('contact');
imgs[7] = new img('our_story');
imgs[8] = new img('site_map');