// JavaScript Document

//调用向左滚动 
//toleft("demo","demo1","demo2",30,"ti1") 
//调用向右滚动 
//toright("demo0","demo11","demo22",20,"ti2") 

//function $(id) 
//{ 
//	return document.getElementById(id) 
//} 

//向左滚动函数，demo包含demo1与demo2,speed是滚动速度，flag一个网页内有多个时设置为不同的任意字符。 
function toleft(demo,demo1,demo2,speed,flag) 
{ 	
  demo= document.getElementById(demo); 
  demo1= document.getElementById(demo1); 
  demo2= document.getElementById(demo2) 
  demo2.innerHTML=demo1.innerHTML 
  function Marquee() 
  { 
	if(demo2.offsetWidth-demo.scrollLeft<=0) 
	{ 
	demo.scrollLeft-=demo1.offsetWidth 
	} 
	else 
	{ 
	demo.scrollLeft++ 
	} 
  } 
  flag=setInterval(Marquee,speed) 
  demo.onmouseover=function() 
  { 
  clearInterval(flag); 
  } 
  demo.onmouseout=function() 
  { 
  flag=setInterval(Marquee,speed); 
  }
} 


//向右滚动函数，demo包含demo1与demo2,speed是滚动速度，flag一个网页内有多个时设置为不同的任意字符。 
function toright(demo,demo1,demo2,speed,flag) 
{ 
  demo=$(demo); 
  demo1=$(demo1); 
  demo2=$(demo2) 
  demo2.innerHTML=demo1.innerHTML 
	function Marquee() 
	{ 
	  if(demo.scrollLeft<=0) 
	  { 
	  demo.scrollLeft=demo2.offsetWidth 
	  } 
	  else 
	  { 
	  demo.scrollLeft-- 
	  } 
	} 
  flag=setInterval(Marquee,speed) 
  demo.onmouseover=function() 
  { 
  clearInterval(flag); 
  } 
  demo.onmouseout=function() 
  { 
  flag=setInterval(Marquee,speed); 
  } 
}