// mouseover preloads
var mouseovers = new Array();
if (document.images) {
	var mouseoversList = new Array('about','schedule','contact','updates');
	for (var i=0; i<mouseoversList.length; i++) {
		mouseovers[mouseoversList[i]+'Off'] = new Image();
		mouseovers[mouseoversList[i]+'Off'].src = '/images/nav/'+mouseoversList[i]+'-off.gif';
		mouseovers[mouseoversList[i]+'On'] = new Image();
		mouseovers[mouseoversList[i]+'On'].src = '/images/nav/'+mouseoversList[i]+'-on.gif';
	}
}

// mouseover image functions
function imgOn(imgName, force) {
    // don't turn on current page's nav link
    if (document.images && imgName && imgName.length && document[imgName] && (force || (imgName != curPage))) {
        document[imgName].src = mouseovers[imgName+'On'].src;
    }
}

function imgOff(imgName) {
    // don't turn off current page's nav link
    if (document.images && imgName && imgName.length && document[imgName] && (imgName != curPage)) {
        document[imgName].src = mouseovers[imgName+'Off'].src;
    }
}