/***********************************************
* 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
***********************************************/


var vmin=2;
var vmax=5;
var vr=2;
var timer1;
var speed = 50;

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+20;
 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-35;
    } 




/*


//   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()*3);
     }
	 
   if(chip.yy<=550)
     {chip.yy=pageY+550;
      chip.vy=vmin+vmax*(Math.random()*3);
     }

	 
   if(chip.yy>=pageY+pageH-chip.h)
     {
		chip.yy=pageY+pageH-chip.h;
      chip.vy=-vmin-vmax*(Math.random()*3);
     }


*/

	chip.yy=pageY+pageH-chip.h;
    chip.vy=-vmin-vmax*(Math.random()*3);

if (chip.yy >= pageH)
 {
	chip.yy=(pageY+pageH-chip.h) - 75;
    chip.vy=-vmin-vmax*(Math.random()*3);
 }


document.getElementById(chip.named).style.left=chip.xx+"px";
//document.getElementById(chip.named).style.top=chip.yy+"px";
document.getElementById(chip.named).style.top=chip.yy+60;



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