var stickyButton="backTop";
var moveX=0;
var moveY=0;
var diffX=0;
var diffY=0;
var startX=0;
var startY=0;
var offSetX=-100;
var offSetY=-30;

function setVariables(){
	if (navigator.appName=="Microsoft Internet Explorer"){
		 t=".pixelTop=";
		 l=".pixelLeft=";
		 dS=stickyButton;
		 sD=".style";
		 y="document.body.scrollTop";
		 x="document.body.scrollLeft";
		 iW="document.body.clientWidth";
		 iH="document.body.clientHeight";
		 }else{
		 t=".top=";
		 l=".left=";
		 dS=(document.layers) ? "document."+stickyButton : "document.getElementById('"+stickyButton+"')";
		 sD=(document.layers) ? "" : ".style";
		 y="window.pageYOffset";
		 x="window.pageXOffset";
		 iW="window.innerWidth";
		 iH="window.innerHeight"
		 }
startY=eval(y);
startX=eval(x);
}



function checkLocation(){
	innerX=eval(iW)+offSetX;
	innerY=eval(iH)+offSetY;
if (navigator.appName=="Netscape")
// && document.layers)  
		{
		 innerY-=10;
		 innerX-=30;
		 }
		
	yy = eval(y);
	xx = eval(x);
	
	diffY = startY-yy;
	diffX = startX-xx;

	if ((diffY<(-1))||(diffY>(1))) 
		{
		 moveY=Math.round(diffY/10);
		 startY-=moveY;
		 }
		
	if ((diffX<(-1))||(diffX>(1)))
		{
		 moveX=Math.round(diffX/10);
		 startX-=moveX;
		 }
		 
eval(dS+sD+t+(startY+innerY));
eval(dS+sD+l+(startX+innerX));
setTimeout("checkLocation()",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];}
}