// add the mouseover style for the nav menu
var nav_items = document.getElementById('mainlevel_nav').getElementsByTagName('li');
for(var i=0; i < nav_items.length; i++) {
    nav_items[i].setAttribute('onmouseover', 'setAttribute("style", "background-color: #466DAA;");');
    nav_items[i].setAttribute('onmouseout', 'setAttribute("style", "background-color: #004C93;");');
}
// add cellspacing using javascript, for IE
var tables = document.getElementById('leftcolumn').getElementsByTagName('table');
for(var c=0; c < tables.length; c++) {
    for(var c=0; c < tables.length; c++) {
        tables[c].cellSpacing = 2;
    }
}
// add styling for the active menu item
if(document.getElementById('active_menu_grey'))
	document.getElementById('active_menu_grey').style.color = '#F47632';
else if(document.getElementById('active_menu_nav')) 
	document.getElementById('active_menu_nav').style.color = '#F47632';

// add unique IDs for all the menu items
var i;
var tds = document.getElementById('leftcolumn').getElementsByTagName('td');
for(i = 0; i < tds.length; i++)
	tds[i].setAttribute('id', 'banner'+i);

var lis = document.getElementById('mainlevel_nav').getElementsByTagName('li');
for(var a = 0; a < lis.length; a++) {
	if(i > 14) i = '';
	lis[a].setAttribute('id', 'banner'+i);
	i++;
}

var td;
var li;
if(td = document.getElementById('active_menu_grey')) {
	while(td.nodeName !="TD") {
		 td = td.parentNode;
	}
	document.getElementById('image_banner').setAttribute('src', file_path + td.id + '.jpg');
} else if(li = document.getElementById('active_menu_nav')) {
	while(li.nodeName !="LI") {
		 li = li.parentNode;
	}
	document.getElementById('image_banner').setAttribute('src', file_path + li.id + '.jpg');
}