// STEP 5

function Is() {
	var agent = navigator.userAgent.toLowerCase();
	this.major = parseInt(navigator.appVersion);
	this.minor = parseFloat(navigator.appVersion);
	this.ns  = ((agent.indexOf('mozilla')!=-1) && ((agent.indexOf('spoofer')==-1) && (agent.indexOf('compatible') == -1)));
	this.ns2 = (this.ns && (this.major == 3));
	this.ns3 = (this.ns && (this.major == 3));
	this.ns4 = (this.ns && (this.major >= 4));
	this.ie   = (agent.indexOf("msie") != -1);
	this.ie3  = (this.ie && (this.major == 2));
	this.ie4  = (this.ie && (this.major >= 4));
	this.op3 = (agent.indexOf("opera") != -1);
}

var is = new Is()

if(is.ns4) {
	doc = "document";
	sty = "";
	htm = ".document"
} else if(is.ie4) {
	doc = "document.all";
	sty = ".style";
	htm = ""
}

// STEP 6

var count = 0;

function preLoad() {

	sun = new Image();
	sun.onload = loadCheck;
	sun.src = "wk08aimg/sunset-new1.jpg";
		
	road = new Image();
	road.onload = loadCheck;
	road.src = "wk08aimg/road.gif";			
	
	hand_left = new Image();
	hand_left.onload = loadCheck;
	hand_left.src = "wk08aimg/palm-left.gif";
	
	blimp = new Image();
	blimp.onload = loadCheck;
	blimp.src = "wk08aimg/blimp.gif";
	
	hand_right = new Image();
	hand_right.onload = loadCheck;
	hand_right.src = "wk08aimg/palm.gif";
	
	speakers = new Image();
	speakers.onload = loadCheck;
	speakers.src = "wk08aimg/speakers.gif";

	lifepres = new Image();
	lifepres.onload = loadCheck;
	lifepres.src = "wk08aimg/lifepres.gif";
	
	treasure = new Image();
	treasure.onload = loadCheck;
	treasure.src = "wk08aimg/treasure.gif";
	
	pinkFlamingo = new Image();
	pinkFlamingo.onload = loadCheck;
	pinkFlamingo.src = "wk08aimg/pinkflamingo.gif";

	redJeep = new Image();
	redJeep.onload = loadCheck;
	redJeep.src = "wk08aimg/jeep1.gif";
	
	yellowJeep = new Image();
	yellowJeep.onload = loadCheck;
	yellowJeep.src = "wk08aimg/jeep2.gif";
	
	greenJeep = new Image();
	greenJeep.onload = loadCheck;
	greenJeep.src = "wk08aimg/jeep.gif";

			
}

function loadCheck() {
	count++;
	if(count == 12) {
		layerSetup();
	}
}

// STEP 7

function layerSetup() {

	sunLyr = eval(doc + '["sunLayer"]' + sty);
	sunLyr.left = 401;
	sunLyr.top = 0;
		
	roadLyr = eval(doc + '["roadLayer"]' + sty);
	roadLyr.left = 95;
	roadLyr.top = 345;		
		
	leftHandLyr = eval(doc + '["leftHandLayer"]' + sty);
	leftHandLyr.left = 0;
	leftHandLyr.top = 130;
				
	blimpLyr = eval(doc + '["blimpLayer"]' + sty);
	blimpLyr.left = 350;
	blimpLyr.top = 225;
	
	rightHandLyr = eval(doc + '["rightHandLayer"]' + sty);
	rightHandLyr.left = 450;
	rightHandLyr.top = 130;
	
	speakersLyr = eval(doc + '["speakersLayer"]' + sty);
	speakersLyr.left = 535;
	speakersLyr.top = 395;

	lifepresLyr = eval(doc + '["lifepresLayer"]' + sty);
	lifepresLyr.left = 180;
	lifepresLyr.top = 415;

	treasureLyr = eval(doc + '["treasureLayer"]' + sty);
	treasureLyr.left = 130;
	treasureLyr.top = 445;
	
	pinkFlamingoLyr = eval(doc + '["pinkFlamingoLayer"]' + sty);
	pinkFlamingoLyr.left = 480;
	pinkFlamingoLyr.top = 395;
	
	redJeepLyr = eval(doc + '["redJeepLayer"]' + sty);
	redJeepLyr.left = 313;
	redJeepLyr.top = 400;
	
	yellowJeepLyr = eval(doc + '["yellowJeepLayer"]' + sty);
	yellowJeepLyr.left = 248;
	yellowJeepLyr.top = 470;
	
	greenJeepLyr = eval(doc + '["greenJeepLayer"]' + sty);
	greenJeepLyr.left = 205;
	greenJeepLyr.top = 518;
	
	visibilitySetup()
}

// STEP 8

function visibilitySetup() {
	sunLyr.visibility = "visible";
	roadLyr.visibility = "visible";
	leftHandLyr.visibility = "visible";
	blimpLyr.visibility = "visible";
	rightHandLyr.visibility = "visible";
	speakersLyr.visibility = "visible";
	lifepresLyr.visibility = "visible";
	treasureLyr.visibility = "visible";
	pinkFlamingoLyr.visibility = "visible";
	redJeepLyr.visibility = "visible";
	yellowJeepLyr.visibility = "visible";
	greenJeepLyr.visibility = "visible";

	
}