//<div style="height:30px; overflow:hidden;" id="gongzhu">
//</div>
function startmarquee(lh,speed,delay,id)
{ 
	var t; 
	var p=false; 
	var o=document.getElementById(id); 
	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 += 1; 
	} 
	function scrolling()
	{ 
		if(o.scrollTop%lh!=0)
		{ 
			o.scrollTop += 1; 
			if(o.scrollTop>=o.scrollHeight/2) o.scrollTop = 0; 
		}
		else
		{ 
			clearInterval(t); 
			setTimeout(start,delay); 
		} 
	} 
	setTimeout(start,delay); 
} 
//startmarquee(30,10,3000,'gongzhu'); 
/**startmarquee(一次滚动高度,速度,停留时间,图层标记);**/ 
document.onkeydown = function(e)
{
	if(!e) e = window.event;//火狐中是 window.event
	if((e.keyCode || e.which) == 13)
	{
		sochk()
		return false;
//		var obtnSearch=document.getElementById("btnSearch")
//		obtnSearch.focus();//让另一个控件获得焦点就等于让文本输入框失去焦点
//		obtnSearch.click();
	}
}

//function listen() 
//{
//	var aa = document.getElementById('aa');
//	try
//	{
//		aa.addEventListener('keyup', submitByEnter, true);
//	} catch(ex) 
//	{
//		aa.attachEvent('onkeyup', submitByEnter);
//	}
//}