// JavaScript Document
	var scroller;
	var scrollTimer = null;
	var scrolling = false;
	var scrollLeft = 0;
	
	
	var VISIBLE_WIDTH = 427;
	
	function startScroll( direction ){
		if (scrolling) return;
		scrolling = true;
		scrollTimer = setTimeout("scroll(" + direction + ")" , 100);
	}
	
	function scroll( direction ) {
		
		// must mult by 1 initially, because left will not be present
		var left = 1 * scroller.style.left.replace("px","");

		if (direction > 0){ // going to the right
		
			left = left + (2 * direction);
			
			if (left > 0){
				left = 0;
			}
			
		} else {
			
			// direciton is left	
			left = left + (2 * direction);
			
			if ((left * -1) >= (scrollerWidth.offsetWidth - VISIBLE_WIDTH)) {
				left = (scrollerWidth.offsetWidth * -1 ) + VISIBLE_WIDTH;
			}
		}
		
		scroller.style.left = left + 'px';

		scrollTimer = setTimeout("scroll(" + direction + ")" , 2);
	
	}
	
	function stopScroll(){
		scrolling = false;
		clearTimeout(scrollTimer);
	}