//滚动
    function startMarquee(h, speed, delay, sid) {
	   var t = null;
	   var p = false;
	   var o = $(sid);
	     o.innerHTML += o.innerHTML;
	     o.onmouseover = function() {p = true}
	     o.onmouseout = function() {p = false}
	     o.scrollTop = 0;
	  function start() {
	     t = setInterval(scrolling, speed);
	     if(!p) {
		 	o.scrollTop += 2;
		 }
	  }
	  function scrolling() {
	    if(p) return;
		if(o.scrollTop % h != 0) {
	        o.scrollTop += 2;
	        if(o.scrollTop >= o.scrollHeight/2) o.scrollTop = 0;
	    } else {
	        clearInterval(t);
	        setTimeout(start, delay);
	    }
	  }
	   setTimeout(start, delay);
}