var otop=document.getelementbyid('banner_top');
		 var oimg=otop.getelementsbytagname('img');
		 var odown=document.getelementbyid('banner_down');
		 var odownli=odown.getelementsbytagname('li');
		 var onesize=oimg[0].offsetwidth
		 otop.style.width=oimg.length*oimg[0].offsetwidth+"px"
		 var i=0;
		 var num=0;
		 for(i=0; i<odownli.length;i++)
		 {
			 odownli[i].index=i;
			 odownli[i].onmouseover=function()
			 {
				 for(i=0;i<odownli.length;i++)
				 {
					 odownli[i].classname='' 
					
				 }
			/*	 clearinterval(timer)*/
				odownli[this.index].classname='active1'
				 startmove(otop,{left:-this.index*onesize});
				 clearinterval(timer)
			
			 }
			 odownli[i].onmouseout=function()
			 {
			   timer=setinterval(one,4000)
			 }
		 }
		 
		 timer=setinterval(one,4000)
		 function one()
		 {
			  if(num==oimg.length-1)
			  { num=0 }
			  else
			  {num++}
			  for(i=0;i<odownli.length;i++)
			  {
				odownli[i].classname='' 
				
			  }
			   odownli[num].classname='active1'
			   startmove(otop,{left:-num*onesize});
				
		 }