var speed=50 
var loop, timer 

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_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 ConstructObject(obj,nest){ 
nest=(!nest) ? '':'document.'+nest+'.' 
this.el=document.getElementById(obj);
this.css=document.getElementById(obj).style; 
this.scrollHeight=this.el.offsetHeight 
this.clipHeight=this.el.offsetHeight 
this.up=MoveAreaUp;this.down=MoveAreaDown; 
this.MoveArea=MoveArea; 
//this.x;
// this.y; 
this.obj = obj + "Object" 
eval(this.obj + "=this") 
return this 
} 
function MoveArea(ref,x,y){

ref.x=x;ref.y=y;
ref.css.left=ref.x+'px'; 
ref.css.top=ref.y+'px';
//alert(ref+' '+x+'>'+ref.css.left+' '+y+'>'+ref.css.top);
} 

function MoveAreaDown(move){ 
	if(this.y>-this.scrollHeight+objContainer.clipHeight){ 
		//alert("a");
                                MoveArea(objScroller,0,this.y-move) 
		
                                //elt = getDivStyle('divUpControl');
		//elt.visibility='visible';
		//alert("b");
                                if(loop) timer=setTimeout(this.obj+".down("+move+")",speed) 
	}
} 

function MoveAreaUp(move){ 
if(this.y<0){ 
//alert("c");
MoveArea(objScroller,0,this.y-move) 
//elt = getDivStyle('divDownControl');
//elt.visibility='visible';
//alert("d");
if(loop) timer=setTimeout(this.obj+".up("+move+")",speed) 
}
} 

function PerformScroll(speed){ 
	if(initialised){ 
	loop=true; 
	if(speed>0) objScroller.down(speed) 
	else objScroller.up(speed) 
	} 
} 

function CeaseScroll(){ 
loop=false 
if(timer) clearTimeout(timer) 
} 

var initialised; 

function InitialiseScrollableArea(){ 
	//alert(MM_findObj('divContent').offsetHeight+' '+(MM_findObj('divContent').offsetHeight>210));
if (MM_findObj('divContent')) {
if (MM_findObj('divContent').offsetHeight>210) {
//alert('i');
objContainer=new ConstructObject('divContainer') 
objScroller=new ConstructObject('divContent','divContainer') 
MoveArea(objScroller,0,0) 
objContainer.css.visibility='visible';
//alert(objScroller.scrollHeight+" "+objContainer.clipHeight);
if (objScroller.scrollHeight>objContainer.clipHeight){
MM_findObj('divUpControl').style.visibility='visible';
MM_findObj('divDownControl').style.visibility='visible';
}
initialised=true; 

//fixPositions();
MoveArea(objScroller,0,0);
}}
} 

function getDivStyle(divname) {
var style;
if (isDOM) { 
style = document.getElementById(divname).style;
}else { 
//style = isIE?document.all[divname].style:document[divname]; 
if (divname=='divContent'){
style = isIE?document.all[divname].style:document.layers['divContainer'].document.layers[divname];
}else{
style = isIE?document.all[divname].style:document.layers[divname];
}
}
return style;
}
function getAbsX(elt) { return (elt.x) ? elt.x : getAbsPos(elt,"Left"); }
function getAbsY(elt) { return (elt.y) ? elt.y : getAbsPos(elt,"Top"); }
function getAbsPos(elt,which) {
iPos = 0;
while (elt != null) {
iPos += elt["offset" + which];
elt = elt.offsetParent;
}
return iPos;
}

function setPosition(divname,positionername,xoffset,yoffset,divVisibility) {
  var positioner;
  elt = getDivStyle(divname);
  if (isIE) {
    positioner = document.all[positionername];
  } else {
    if (isDOM) {
      positioner = document.getElementById(positionername);
    } else {
      positioner = document.images[positionername];
    }
  }

  elt.left = getAbsX(positioner)+xoffset;
  elt.top = getAbsY(positioner) + yoffset;
  if (isNS4){
    elt.visibility='show';
  }else{
    elt.visibility='visible';
  }
}

//MoveArea(objScroller,0,0);


var timerID=null;