var pngbrOK=false;
var mie=false;
var aver=parseInt(navigator.appVersion.substring(0,1));
var aname=navigator.appName;
var pngmystop=0;
function pngcheckbrOK() {
if(aname.indexOf('Internet Explorer')!=-1) {
if(aver>=4) pngbrOK=navigator.javaEnabled();
mie=true;
}

if(aname.indexOf('Netscape')!=-1) {
  if(aver>=4) pngbrOK=navigator.javaEnabled();}
}

var vmin=2;
var vmax=5;
var vr=2;
var timer1;
function pngchip(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 pngmovechip(chipname) {
if(pngbrOK && pngmystop==0) {
  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-100;
   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+'.right='+chip.xx); 
   }
   else {
      eval('document.all.'+chip.named+'.style.pixelLeft='+chip.xx);
      eval('document.all.'+chip.named+'.style.pixelTop ='+chip.yy);
   }
   chip.timer1=setTimeout("pngmovechip('"+chip.named+"')",movebannerRate);
   }
}

var pngtome;
function pagestart()
 {pngcheckbrOK();
  pngtome=new pngchip('pngtome',80,80);
 if(pngbrOK) {
  pngmovechip('pngtome');
  }
}
function stopmovechip(chipname) {
 if(pngbrOK) {
   eval("chip="+chipname);
   if(chip.timer1!=null) {
    clearTimeout(chip.timer1) }
 }
}
function pagerestart(chipname) {
 if(pngbrOK) {
   eval("chip="+chipname);
   if(chip.timer1!=null) {
     chip.timer1=setTimeout("pngmovechip('"+chip.named+"')",movebannerRate);
   }
 }
}
pagestart();