/* 
 Made By Eddie Traversa 2001. All rights reserved. Version 2.1 
*/ 
 
 window.onerror=null;
 var topMargin 	= 0 
	var	slideTime	= 1200
 var ns6 = (!document.all && document.getElementById); 
 var ie4 = (document.all);
 var ns4 = (document.layers);
 function layerObject(id,left) {
 if (ns6){
 this.obj = document.getElementById(id).style;
 this.obj.left = left;
 return this.obj;
 } else if(ie4) {
 this.obj = document.all[id].style;
 this.obj.left = left;
 return this.obj;
 } else if(ns4) {
 this.obj = document.layers[id];
 this.obj.left = left;
 return this.obj;
 }
 }
 function layerSetup() {
 floatLyr = new layerObject('floatLayer', pageWidth*.0);
 window.setInterval("main()", 10) 
 }
	function floatObject() { 
	if (ns4 || ns6) {
 findHt =	window.innerHeight; 
 } else if(ie4) {
	findHt =	document.body.clientHeight;
 }
	} 
	function main() { 
	if (ns4) { 
 this.currentY 	= document.layers["floatLayer"].top;  
 this.scrollTop	= window.pageYOffset;
 mainTrigger();
 } else if(ns6) {
	this.currentY = parseInt(document.getElementById('floatLayer').style.top); 
 this.scrollTop = scrollY;
  mainTrigger(); 
 } else if(ie4) { 
 this.currentY 	= floatLayer.style.pixelTop;
	this.scrollTop	= document.body.scrollTop; 
 mainTrigger();
	} 
 } 
 function mainTrigger() { 
 var newTargetY	= this.scrollTop + this.topMargin 
 if ( this.currentY != newTargetY ) { 
 if ( newTargetY != this.targetY ) { 
 this.targetY = newTargetY
  floatStart(); 
  } 
  animator(); 
  } 
  } 
  function floatStart() { 
  var now	= new Date() 
  this.A		= this.targetY - this.currentY 
  this.B		= Math.PI / ( 2 * this.slideTime ) 
  this.C		= now.getTime() 
  if (Math.abs(this.A) > this.findHt) { 
  this.D = this.A > 0 ? this.targetY - this.findHt : this.targetY + this.findHt 
  this.A = this.A > 0 ? this.findHt : -this.findHt 
  } else {	 
  this.D = this.currentY 
   } 
  } 
  function animator() { 
  var now	= new Date() 
  var newY	= this.A * Math.sin( this.B * ( now.getTime() - this.C ) ) + this.D 
  newY		= Math.round(newY) 
  if (( this.A > 0 && newY > this.currentY ) || ( this.A < 0 && newY < this.currentY )) { 
  if ( ie4 )document.all.floatLayer.style.pixelTop = newY 
  if ( ns4 )document.layers["floatLayer"].top = newY
  if ( ns6 )document.getElementById('floatLayer').style.top = newY + "px" 
  } 
     }
