var x=0;
var y=Math.floor(Math.random()*120)+10;
var v=3;
var Xpos=999;
var Ypos=999;
var onoff=true;
function init() {
	timerID=setInterval('moveTwitter()',50);
}
function moveTwitter() {
	x+=v;
	if((x>925)||(x<0)) {x=x-925;y=Math.floor(Math.random()*120)+10;}
 	var objImage = document.getElementById("twitterImage");
	objImage.style.left=x + 'px';
	objImage.style.top=y + 'px';
	if (Math.abs(x-Xpos)<30 && Math.abs(y-Ypos)<50) {
		if (onoff) {
			clearInterval(timerID);
			image_change("twitterImage","images/twitter0.gif");
			timerID=setTimeout('image_change2("twitterImage","images/twitter2.gif")',2000);
		} else {
			image_change("twitterImage","images/twitter.gif");x+=60;onoff=true;
		}
	}
}
if (document.all) {
　	function iMouse() {
　　		Xpos = event.x;
　　		Ypos = event.y;
　	}
	document.onmousemove = iMouse;
} else {
// FireFox
　	function inFmove(e) {
　　		Xpos = e.clientX;
　　		Ypos = e.clientY;
　	}
	document.addEventListener("mousemove", inFmove, true);
}
function image_change(imgnam0,gfnam0){
 	var objImage = document.getElementById(imgnam0);
  	objImage.src = gfnam0;
}
function image_change2(imgnam0,gfnam0){
 	var objImage = document.getElementById(imgnam0);
  	objImage.src = gfnam0;
	clearTimeout(timerID);
	x+=60;onoff=false;
	timerID=setInterval('moveTwitter()',50);
}