var gIncrement = 10;
	var gTimerId = null;
	
	ThreeOhScroll.prototype.scrollDn = function() {
		gTimerId = window.setInterval(this.gRef + ".increment(false)", 25);
	}
	
	ThreeOhScroll.prototype.scrollUp = function() {
		gTimerId = window.setInterval(this.gRef + ".increment(true)", 25);
	}

	ThreeOhScroll.prototype.stopScroll = function() {
		window.clearInterval(gTimerId);
	}

	ThreeOhScroll.prototype.increment = function(bUp) {
		var iNext = -parseInt(this.content.style.top) + (bUp ? -gIncrement : gIncrement);
		if (iNext <= this.scrollH && iNext >= 0) {
			this.jumpTo(iNext);
		} else if (iNext > this.scrollH) {
			window.clearInterval(gTimerId);
			this.jumpTo(this.scrollH);
		} else {
			window.clearInterval(gTimerId);
			this.jumpTo(0);
		}
	}
function MM_findObj(n, d) { //v4.0
  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 && document.getElementById) x=document.getElementById(n); return x;
}
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_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];}
}