window.onload = function(){
		
			help_boxes = $$('span.help_box');
			for (i = 0; i < help_boxes.length; i++) {
				help_boxes[i].style.width = "300px";
			}
			
			help_items = $$('span.help');
			var timer;
			for (i = 0; i < help_items.length; i++) {
				help_items[i].onmouseover = function(){
					this.style.position = 'relative';
					spans = this.getElementsByTagName('span');
					timer = setTimeout("spans[0].style.display='block';", 1000);
				}
				help_items[i].onmouseout = function(){
					clearTimeout(timer);
					this.style.position = 'static';
					spans = this.getElementsByTagName('span');
					spans[0].style.display = 'none';
				}
			}
		};