// JavaScript Document
function closeDiv() {
  document.getElementById('floatLayer').style.left = "-1000";
  return false;
 }
 window.onerror = null;
 var topMargin = 150;
 var slideTime = 2500;
 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 * .5);
  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";
     }
  }
 function start() {
  if(ns6||ns4) {
   pageWidth = innerWidth;
   pageHeight = innerHeight;
   layerSetup();
   floatObject();
   }
  else if(ie4) {
   pageWidth = document.body.clientWidth;
   pageHeight = document.body.clientHeight;
   layerSetup();
   floatObject();
     }
  }