var topMargin 	= 50 
 var slideTime	= 1200
 var ns6 = (!document.all && document.getElementById); 
 var ie4 = (document.all);
 var ns4 = (document.layers);
 window.setInterval("main()", 10) 

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function floatObject() { 
if (ns4 || ns6) {
 findHt =	window.innerHeight; 
 } else if(ie4) {
 findHt =	document.body.clientHeight;
 }
} 
	
function main() { 
if (ns4) { 
 this.currentY 	= document.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 )floatLayer.style.pixelTop = newY 
  if ( ns4 )document.floatLayer.top = newY
  if ( ns6 )document.getElementById('floatLayer').style.top = newY + "px" 
  } 
 }