/***********************************************
* 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;

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);
  }
}

//IMAGE ROTATOR
//function rotate(img,p_deg) {
//	if(document.getElementById('canvas')) {
//		/*
//		Ok!: Firefox 2, Safari 3, Opera 9.5b2
//		No: Opera 9.27
//		*/
//		var image = document.getElementById(img);
//		var canvas = document.getElementById('canvas');
//		var canvasContext = canvas.getContext('2d');
//		
//		switch(p_deg) {
//			default :
//			case 0 :
//				canvas.setAttribute('width', image.width);
//				canvas.setAttribute('height', image.height);
//				canvasContext.rotate(p_deg * Math.PI / 180);
//				canvasContext.drawImage(image, 0, 0);
//				break;
//			case 90 :
//				canvas.setAttribute('width', image.height);
//				canvas.setAttribute('height', image.width);
//				canvasContext.rotate(p_deg * Math.PI / 180);
//				canvasContext.drawImage(image, 0, -image.height);
//				break;
//			case 180 :
//				canvas.setAttribute('width', image.width);
//				canvas.setAttribute('height', image.height);
//				canvasContext.rotate(p_deg * Math.PI / 180);
//				canvasContext.drawImage(image, -image.width, -image.height);
//				break;
//			case 270 :
//			case -90 :
//				canvas.setAttribute('width', image.height);
//				canvas.setAttribute('height', image.width);
//				canvasContext.rotate(p_deg * Math.PI / 180);
//				canvasContext.drawImage(image, -image.width, 0);
//				break;
//		};
//		
//	} else {
//		/*
//		Ok!: MSIE 6 et 7
//		*/
//		var image = document.getElementById('image');
//		switch(p_deg) {
//			default :
//			case 0 :
//				image.style.filter = 'progid:DXImageTransform.Microsoft.BasicImage(rotation=0)';
//				break;
//			case 90 :
//				image.style.filter = 'progid:DXImageTransform.Microsoft.BasicImage(rotation=1)';
//				break;
//			case 180 :
//				image.style.filter = 'progid:DXImageTransform.Microsoft.BasicImage(rotation=2)';
//				break;
//			case 270 :
//			case -90 :
//				image.style.filter = 'progid:DXImageTransform.Microsoft.BasicImage(rotation=3)';
//				break;
//		};
//		
//	};
//};


//window.onload = function() {
//	var image = document.getElementById('image');
//	var canvas = document.getElementById('canvas');
//	if(canvas.getContext) {
//		image.style.visibility = 'hidden';
//		image.style.position = 'absolute';
//	} else {
//		canvas.parentNode.removeChild(canvas);
//	};
//	
//	rotate(0);
//};