function FIND(item) {
	if( window.mmIsOpera ) return(document.getElementById(item));
	if (document.all) return(document.all[item]);
	if (document.getElementById) return(document.getElementById(item));
	return(false);
}

function newImage(arg) {
	if (document.images) {
		var rslt;
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

var map_over;
var about_over;
var programs_over;
var success_over;
var newsletters_over;
var announce_over;
var photos_over;
var contacts_over;
var map_out;
var about_out;
var programs_out;
var success_out;
var newsletters_out;
var announce_out;
var photos_out;
var contacts_out;
var preloadFlag = false;
		
function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			var temp = changeImages.arguments[i+1] + ".src";
			document[changeImages.arguments[i]].src = eval(temp);
		}
	} 
}

function preloadImages() {
	if (document.images) {
		
		map_over = new Image();
		map_over.src = "images/site_map_y.gif";
		home_over = new Image();
		home_over.src = "images/home_y.gif";
		about_over = new Image();
		about_over.src = "images/about_y.gif";
		programs_over = new Image();
		programs_over.src = "images/programs_y.gif";
		links_over = new Image();
		links_over.src = "images/links_y.gif";
		newsletters_over = new Image();
		newsletters_over.src = "images/newsletters_y.gif";
		announce_over = new Image();
		announce_over.src = "images/announce_y.gif";
		photos_over = new Image();
		photos_over.src = "images/photos_y.gif";
		contacts_over = new Image();
		contacts_over.src = "images/contacts_y.gif";
		map_out = new Image();
		map_out.src = "images/site_map.gif";
		home_out = new Image();
		home_out.src = "images/home.gif";
		about_out = new Image();
		about_out.src = "images/about.gif";
		programs_out = new Image();
		programs_out.src = "images/programs.gif";
		links_out = new Image();
		links_out.src = "images/links.gif";
		newsletters_out = new Image();
		newsletters_out.src = "images/newsletters.gif";
		announce_out = new Image();
		announce_out.src = "images/announce.gif";
		photos_out = new Image();
		photos_out.src = "images/photos.gif";
		contacts_out = new Image();
		contacts_out.src = "images/contacts.gif";
		
		preloadFlag = true;
	}
}	  

function expand(block, arrow) {
	obj = FIND(block);
	if(arrow!='null') pic = FIND(arrow);
		
	if(obj.style.display != "block")
	{
		if(arrow!='null') pic.src = "images/minus.gif";
		obj.style.display = "block";
	}
	else 
	{
		obj.style.display = "none";
		if(arrow!='null') pic.src = "images/plus.gif";
	}	
	window.focus();
}
  
function loadProgImages() {
	var r, l, p, m;
	r=new Image();
	r.src="photos/progs/HICD/right_over.gif";
	l=new Image();
	l.src="photos/progs/HICD/left_over.gif";
	p=new Image();
	p.src="images/plus.gif";
	m=new Image();
	m.src="images/minus.gif";
}