// JavaScript Document

  window.onerror   =   null;   
  var   topMargin   =   100;   
  var   slideTime   =   1200;   
  var   ie4   =   (document.all);   
  var   ns4   =   (document.layers);   
  function   layerObject(id,left)   {   
  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   *   .9);   
  window.setInterval("main()",   10)   
  }   
  function   floatObject()   {   
  if   (ns4)   {   
  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(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;   
      }   
  }   
  function   start()   {   
  if(ns4)   {   
  pageWidth   =   innerWidth;   
  pageHeight   =   innerHeight;   
  layerSetup();   
  floatObject();   
  }   
  else   if(ie4)   {   
  pageWidth   =   document.body.clientWidth;   
  pageHeight   =   document.body.clientHeight;   
  layerSetup();   
  floatObject();   
      }   
  }