<!-- Begin-->
var step = 1;
var delay = 30; 
var blocks = new Array();
var interval;

function block(divName,x,y){
	this.name = divName;
	this.xPos = x;
	this.yPos = y;
	this.oDiv;
	this.init = initState;
}

function initState(){
  this.oDiv = document.all(this.name);
  this.oDiv.style.top = this.yPos;
  this.oDiv.visibility = "visible";
}

function changePos() 
{
  for(var i=0;i<blocks.length;i++){
  	var b = blocks[i];
  	b.oDiv.style.top = b.yPos + document.body.scrollTop;
  }
}

function initBlock(divName,x,y) 
{
  var b = new block(divName,x,y);
  b.init();
  
  blocks[blocks.length] = b;
}

function startBlock(){
  interval = setInterval('changePos()', delay);
}

function pause_resume() 
{
    clearInterval(interval);
}