//js无缝滚动代码
function marquee(i, direction){
	var obj = document.getelementbyid("marquee" + i);
	var obj1 = document.getelementbyid("marquee" + i + "_1");
	var obj2 = document.getelementbyid("marquee" + i + "_2");
	if (direction == "up"){
		if (obj2.offsettop - obj.scrolltop <= 0){
			obj.scrolltop -= (obj1.offsetheight + 20);
		}else{
			var tmp = obj.scrolltop;
			obj.scrolltop++;
			if (obj.scrolltop == tmp){
				obj.scrolltop = 1;
			}
		}
	}else{
		if (obj2.offsetwidth - obj.scrollleft <= 0){
			obj.scrollleft -= obj1.offsetwidth;
		}else{
			obj.scrollleft++;
		}
	}
}

function marqueestart(i, direction){
	var obj = document.getelementbyid("marquee" + i);
	var obj1 = document.getelementbyid("marquee" + i + "_1");
	var obj2 = document.getelementbyid("marquee" + i + "_2");

	obj2.innerhtml = obj1.innerhtml;
	var marqueevar = window.setinterval("marquee("+ i +", '"+ direction +"')", 30);
	obj.onmouseover = function(){
		window.clearinterval(marqueevar);
	}
	obj.onmouseout = function(){
		marqueevar = window.setinterval("marquee("+ i +", '"+ direction +"')", 30);
	}
}