var brOK=false;  //Java Enabled
var mie=false;	 //IE
var aver=parseInt(navigator.appVersion.substring(0,1));	//Browser Version
var aname=navigator.appName;
function checkbrOK()
{
if(aname.indexOf("Internet Explorer")!=-1){
	if(aver>=4) brOK=navigator.javaEnabled();
	mie=true;
} else {
	if(aname.indexOf("Netscape")!=-1){
		if(aver>=4) brOK=navigator.javaEnabled();
	}
}
}

var vmin=2;
var vmax=5;
var vr=2;
var timer1;
function Chip(layerName,chipName,width,height, startx, starty)
{
this.named=layerName;
this.vx=vmin+vmax*Math.random();
this.vy=vmin+vmax*Math.random();
this.w=width;
this.h=height;
this.xx=startx;
this.yy=starty;
this.timer1=null;
this.chipname=chipName
}

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-8;
		pageY=window.document.body.scrollTop;
		pageH=window.document.body.offsetHeight;
	} 
	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.chipname+"')",100);
}
}

function fixchip(chipname)
{
if(brOK && !move){
	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-8;
		pageY=window.document.body.scrollTop;
		pageH=window.document.body.offsetHeight;
	} 

//chip.xx=pageX+pageW-chip.w-200 + chip.vx;
//chip.yy=pageY+pageH-chip.h-100 + chip.vy;

if (chip.vx == 0)
	chip.vx = pageW-pageW/3-chip.w+10;
if (chip.vy == 0)
	chip.vy = pageH-100-chip.h+10;	

chip.xx=pageX + chip.vx;
chip.yy=pageY + chip.vy;


	if(!mie){
		eval('document.'+chip.named+'.top ='+chip.yy);
		eval('document.'+chip.named+'.left='+chip.xx);
	} else {
		eval('document.all.'+chip.named+'.style.left='+chip.xx);
		eval('document.all.'+chip.named+'.style.top ='+chip.yy); 
	}

	chip.timer1=setTimeout("fixchip('"+chip.chipname+"')",100);
}
}

function stopme(chipname)
{
 if(brOK){
	//alert(chipname)
	eval("chip="+chipname);
	if(chip.timer1!=null){
		clearTimeout(chip.timer1)
	}
 }
}

function startme(chipname)
{
 if(brOK){
	//alert(chipname)
	eval("chip="+chipname);
	chip.timer1=setTimeout("fixchip('"+chip.chipname+"')",100);
 }
}


drag = 0
move = 0

function init() {
	window.document.onmousemove = mouseMove;
	window.document.onmousedown = mouseDown;
	window.document.onmouseup = mouseUp;
	window.document.ondragstart = mouseStop;
}

function mouseDown() {
	if (drag) {
		stopme("aaFix");
		move = 1;
		clickleft = window.event.x - parseInt(dragObj.style.left);
		clicktop = window.event.y - parseInt(dragObj.style.top);
		clickleftx = window.event.x;
		clicktopy = window.event.y;
//		dragObj.style.zIndex += 1;
	}
}

function mouseStop() {
	window.event.returnValue = false
}

function mouseMove() {
	if (move) {
//		aaFix.vx += window.event.x - clickleftx;
//		aaFix.vy += window.event.y - clicktopy;
		dragObj.style.left = window.event.x - clickleft;
		dragObj.style.top = window.event.y - clicktop;
	}
}

function mouseUp() {
	move = 0;
	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-8;
		pageY=window.document.body.scrollTop;
		pageH=window.document.body.offsetHeight;
	} 
	aaFix.vx = parseInt(dragObj.style.left) - pageX;
	aaFix.vy = parseInt(dragObj.style.top) - pageY;
	startme("aaFix");
}

var aaFloat, aaFix;
var chip;
function startFloat()
{
 checkbrOK(); 
 aaFloat=new Chip("aaFloat", "aaFloat", 80, 92, 0, 0);
 if(brOK) { 
	movechip("aaFloat");
 }
}

function startFix(w, h, x, y)
{
 checkbrOK(); 
// aaFix=new Chip("aaFix",80,92, (pageX+pageW-chip.w)/2, (chip.yy=pageY+pageH-chip.h)/2);
 aaFix=new Chip("aaFix1", "aaFix", w, h, 0, 0);
 aaFix.vx = x;
 aaFix.vy = y;
 if(brOK) { 
	fixchip("aaFix");
 }
}