/***********************************************
* Floating image script- By Virtual_Max (http://www.geocities.com/siliconvalley/lakes/8620)
* Modified by Dynamic Drive for various improvements
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
* Modified by Joe Cai to make it work with phpadsnew
***********************************************/


var vmin=2;
var vmax=5;
var vr=2;
var timer1;

function iecompattest(){
	return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

function Chip(chipname,width,height){
	this.named=chipname;
	this.vx=vmin+vmax*Math.random();
	this.vy=vmin+vmax*Math.random();
	this.w=width+20;
	this.h=height;
	this.xx=0;
	this.yy=0;
	this.timer1=null;
}

function movechip(chipname){
	if (document.getElementById){
		eval("chip="+chipname);
		if (window.innerWidth || window.opera){
			pageX=window.pageXOffset;
			pageW=window.innerWidth-40;
			pageY=window.pageYOffset;
			pageH=window.innerHeight-20;
		}
		else if (document.body){
			pageX=iecompattest().scrollLeft;
			pageW=iecompattest().offsetWidth-40;
			pageY=iecompattest().scrollTop;
			pageH=iecompattest().offsetHeight-20;
		}

		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();
		}

		document.getElementById(chip.named).style.left=chip.xx+"px";
		document.getElementById(chip.named).style.top=chip.yy+"px";


		chip.timer1=setTimeout("movechip('"+chip.named+"')",100);
	}
}

var flyingAD;
var flyingAD2;

function pageStart(){	
	flyingAD = new Chip("flyingAD",100,100);	
	movechip("flyingAD");
	
	if(document.getElementById) {
		if(document.getElementById("flyingAD2")) {
			flyingAD2 = new Chip("flyingAD2", 100, 100);
			movechip("flyingAD2");
		}
	}
}

if (window.addEventListener) {
	window.addEventListener("load", pageStart, false);
} else if (window.attachEvent) {
	window.attachEvent("onload", pageStart);
} else if (document.getElementById) {
	window.onload=pageStart;
}