userAgent = window.navigator.userAgent;
browserVers = parseInt(userAgent.charAt(userAgent.indexOf("/")+1),10);
function findElement(n,ly) {
	if (browserVers < 4)		return document[n];
	var curDoc = ly ? ly.document : document;
	var elem = curDoc[n];
	if (!elem) {
		for (var i=0;i<curDoc.layers.length;i++) {
			elem = findElement(n,curDoc.layers[i]);
			if (elem) return elem;
		}
	}
	return elem;
}

function verifyCompatibleBrowser(){ 
    this.ver=navigator.appVersion 
    this.dom=document.getElementById?1:0 
    this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0; 
    this.ie4=(document.all && !this.dom)?1:0; 
    this.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0; 
 
    this.ns4=(document.layers && !this.dom)?1:0; 
    this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5) 
    return this 
} 
bw=new verifyCompatibleBrowser() 
var speed=50 
var loop, timer 
function ConstructObject(obj,nest){ 
    nest=(!nest) ? "":'document.'+nest+'.' 
    this.el=bw.dom?document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?eval(nest+'document.'+obj):0; 
    this.css=bw.dom?document.getElementById(obj).style:bw.ie4?document.all[obj].style:bw.ns4?eval(nest+'document.'+obj):0; 
    this.scrollHeight=bw.ns4?this.css.document.height:this.el.offsetHeight 
    this.clipHeight=bw.ns4?this.css.clip.height:this.el.offsetHeight 
    this.up=MoveAreaUp;this.down=MoveAreaDown; 
    this.MoveArea=MoveArea; this.x; this.y; 
    this.obj = obj + "Object" 
    eval(this.obj + "=this") 
    return this 
} 

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

function changeImages() {
	if (document.images) {
		var img;
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			img = null;
			if (document.layers) {
				img = findElement(changeImages.arguments[i],0);
			}
			else {
				img = document.images[changeImages.arguments[i]];
			}
			if (img) {
				img.src = changeImages.arguments[i+1];
			}
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		About_rollovers_text_11_over = newImage("images/About_rollovers_text_11-ove.gif");
		About_rollovers_text_14_over = newImage("images/About_rollovers_text_14-ove.gif");
		About_rollovers_text_16_over = newImage("images/About_rollovers_text_16-ove.gif");
		About_rollovers_text_17_over = newImage("images/About_rollovers_text_17-ove.gif");
		About_rollovers_text_20_over = newImage("images/About_rollovers_text_20-ove.gif");
		About_rollovers_text_21_over = newImage("images/About_rollovers_text_21-ove.gif");
		ro_03_over = newImage("images/ro_03-over.gif");
		ro_05_over = newImage("images/ro_05-over.gif");
		ro_07_over = newImage("images/ro_07-over.gif");
		ro_08_over = newImage("images/ro_08-over.gif");
		ro_09_over = newImage("images/ro_09-over.gif");
		ro_11_ro_03_over = newImage("images/ro_11-ro_03_over.gif");
		ro_11_over = newImage("images/ro_11-over.gif");
		ro_12_over = newImage("images/ro_12-over.gif");
		what_03_over = newImage("images/what_03-over.gif");
		what_05_what_03_over = newImage("images/what_05-what_03_over.gif");
		preloadFlag = true;
	}
}

function change_info(infotxt,infotitle,ccount,hlcolor,basecolor){
	for (i = 1; i <= ccount; i++){
		var cont="content"+i;
		var nest;
		nest=(!nest) ? "":'document.'+cont+'.';
		var s="s"+i;
		this.css=bw.dom?document.getElementById(cont).style:bw.ie4?document.all[cont].style:bw.ns4?eval(nest+'document.'+cont):0; 
		if(cont == infotxt) {
			this.css.visibility="visible"
			//if(i<=4) {
				//this.css=bw.dom?document.getElementById(s).style:bw.ie4?document.all[s].style:bw.ns4?0:0; 
				//if(this.css.color="#CCFFFF"){
					//this.css.backgroundColor=hlcolor
				//}
			//}
		} else {
		
			if(this.css.visibility="visible"){
				this.css.visibility="hidden"
				//if(i>4){}
				//else{						
					//this.css=bw.dom?document.getElementById(s).style:bw.ie4?document.all[s].style:bw.ns4?0:0; 
					//this.css.backgroundColor=basecolor
				//}
			}
		}
		if(s == infotitle && i <= 4) {
			this.css=bw.dom?document.getElementById(s).style:bw.ie4?document.all[s].style:bw.ns4?0:0; 
			this.css.backgroundColor=hlcolor
		} else if(i <= 4) {
			this.css=bw.dom?document.getElementById(s).style:bw.ie4?document.all[s].style:bw.ns4?0:0; 
			this.css.backgroundColor=basecolor
		}
	}
		nest=(!nest) ? "":'document.'+infotxt+'.';
		this.css=bw.dom?document.getElementById(infotxt).style:bw.ie4?document.all[infotxt].style:bw.ns4?eval(nest+'document.'+infotxt):0; 
		if(this.css.visibility="hidden"){
			this.css.visibility="visible";
		}
		this.css=bw.dom?document.getElementById(infotitle).style:bw.ie4?document.all[infotitle].style:bw.ns4?eval(nest+'document.'+infotitle):0; 
		if(this.css.color="#CCFFFF"){
			this.css.color="#003366";
		}
	}

// returns a number between 0 and n
function get_random(n)
{
    var ranNum= Math.round(Math.random()*n);
    return ranNum;
}
	
function get_picture(img1,img2,img3,img4)
{
	pics = new Array;
	pics[0] = img1;
	pics[1] = img2;
	pics[2] = img3;
	pics[3] = img4;
	
	var rand = get_random(3);
	
	document.write("<img src=\"" + pics[rand] + "\" border=\"0\" alt=\"\">");
}