var brOK=false;
var mie=false;
var aver=parseInt(navigator.appVersion.substring(0,1));
var aname=navigator.appName;
function checkbrOK(){
	if(aname.indexOf("Internet Explorer")!=-1){
		if(aver>=4) brOK=navigator.javaEnabled();
		mie=true;
	}
	if(aname.indexOf("Netscape")!=-1){
		if(aver>=4) brOK=navigator.javaEnabled();
	}
}
var vmin=2;
var vmax=5;
var vr=0.02;
var timer1;
function Chip(chipname,width,height){
	this.named=chipname;
	this.vx=vmin+vmax*Math.random();
	this.vy=vmin+vmax*Math.random();
	this.w=width;
	this.h=height;
	this.xx=0;
	this.yy=0;
	this.timer1=null;
}
function movechip(chipname){
	if(brOK){
		eval("chip="+chipname);
	if(!mie){
		pageX=window.pageXOffset;
		pageW=window.innerWidth;
		pageY=window.pageYOffset;
		pageH=window.innerHeight;
	}
	else{
		pageX=window.document.body.scrollLeft;
		pageW=window.document.body.offsetWidth-22;
		pageY=window.document.body.scrollTop;
		pageH=window.document.body.offsetHeight-34;
	}
	chip.xx=chip.xx+chip.vx;
	chip.yy=chip.yy+chip.vy;
	chip.vx+=vr*(Math.random()-0.5);
	chip.vy+=vr*(Math.random()-0.5);
	if(chip.vx>(vmax+vmin)) chip.vx=(vmax+vmin)*2-chip.vx;
	if(chip.vx<(-vmax-vmin)) chip.vx=(-vmax-vmin)*2-chip.vx;
	if(chip.vy>(vmax+vmin)) chip.vy=(vmax+vmin)*2-chip.vy;
	if(chip.vy<(-vmax-vmin)) chip.vy=(-vmax-vmin)*2-chip.vy;
	if(chip.xx<=pageX){
		chip.xx=pageX;
		chip.vx=vmin+vmax*Math.random();
	}
	if(chip.xx>=pageX+pageW-chip.w){
		chip.xx=pageX+pageW-chip.w;
		chip.vx=-vmin-vmax*Math.random();
	}
	if(chip.yy<=pageY){
		chip.yy=pageY;
		chip.vy=vmin+vmax*Math.random();
	}
	if(chip.yy>=pageY+pageH-chip.h){
		chip.yy=pageY+pageH-chip.h;
		chip.vy=-vmin-vmax*Math.random();
	}
	if(!mie){
		eval('document.'+chip.named+'.top ='+chip.yy);
		eval('document.'+chip.named+'.left='+chip.xx);
	}
	else{
		eval('document.all.'+chip.named+'.style.pixelLeft='+chip.xx);
		eval('document.all.'+chip.named+'.style.pixelTop ='+chip.yy);
	}
	chip.timer1=setTimeout("movechip('"+chip.named+"')",140);
	}
}
function hide(chipname){
	if(brOK){
		eval("chip="+chipname);
		if(!mie)
			eval('document.'+chip.named+'.visibility ='+"'hide'");
		else
			eval('document.all.'+chip.named+'.style.visibility ='+"'hidden'");
	}
}
function stopme(chipname){
	if(brOK){
		eval("chip="+chipname);
		if(chip.timer1!=null){
			clearTimeout(chip.timer1)
		}
	}
}
var chip1;
function pagestart(){
	checkbrOK();
	chip1=new Chip("chip1",117,75);
	if(brOK){ 
		movechip("chip1");
	}
}