var yPos = 10;
var step = 1;
var delay = 10;
var xPos = 0;
var jk = 0;
var width = 0;
var offset = 0;
var xon = 0;
var prout = image9;
var greg = image2;
var name = navigator.appName;
if (name == name) {
	xPos = document.body.clientWidth;
	greg.style.left = xPos;
	prout.style.top = yPos-3;
        prout.style.left = xPos-105;
	}
else {
	xPos = window.innerWidth;
	document.greg.pageX = xPos;
	document.greg.visibility = "hidden";
	document.prout.pageX = xPos-105;
	document.prout.pageY = yPos-3;
}

function changePos() {
if (name == name) {
	xPosBis = document.body.clientWidth;
        prout.style.left = xPosBis-105;
	}
else {
	xPosbis = window.innerWidth;
	document.prout.pageX = xPosBis-105;
	}

	if (xon == 0) {
		xPos = xPos - step;
	}
	else {
		xPos = xPos + step;
	}
	if (name == "Microsoft Internet Explorer") {
		width = document.body.clientWidth;
		offset = greg.offsetWidth;
	}
	else {
		width = window.innerWidth;
		offset = document.greg.clip.width;
	}  
	if (xPos < -100) {
		xon = 1;
		xPos = -100;
		if (jk >= 4) {jk = 0;}
		jk++;
		switch (jk) {
			case 1 : greg = image3;break;
			case 2 : greg = image1;break;
			case 3 : greg = image5;break;
			case 4 : greg = image7;
		}
	}
	if (xPos >= (width - offset)) {
		if (name == "Microsoft Internet Explorer") {
			greg.style.left=-100;
		}
		else {
			document.greg.pageX=-100;
		}  
		xon = 0;
		xPos = (width - offset);
		switch (jk) {
			case 1 : greg = image6;break;
			case 2 : greg = image8;break
			case 3 : greg = image4;break;
			case 4 : greg = image2;
		}
		if (name == "Microsoft Internet Explorer") {
			greg.style.left=xPos;
		}
		else {
			document.greg.pageX=xPos;
		}  
	}
	if (name == name) {
		greg.style.top = yPos;
		greg.style.left = xPos + document.body.scrollLeft;
	}
	else {
		document.greg.pageX = xPos + window.pageXOffset;
		document.greg.pageY = yPos;
        }
}

function start(){
	if (name != name) {
		document.greg.visibility = "visible";
	}
	loopfunc();
}

function loopfunc(){
	changePos();
	setTimeout('loopfunc()',delay);
}