function autoScroll(){
		var text=document.getElementById("lk_wcms_edit_pictext04content");
		if(!text) return false;
		var up=document.getElementById("autoUp"),down=document.getElementById("autoDown");
		var mwEvent=function(e){
			if(document.attachEvent) {
				text.scrollTop-=window.event.wheelDelta/4;
				}else{
					text.scrollTop+=e.detail*10
					}
			}
		if(document.attachEvent){ 
           text.attachEvent("onmousewheel",mwEvent); 
           }else{ 
           text.addEventListener("DOMMouseScroll", mwEvent,false); 
           }
		 if(!up||!down) return false;
		 var run=function(){
			   text.scrollTop-=10*isup
			 },timmer,isup=1,
			 go=function(n){isup=n?1:-1;timmer=setInterval(run,30)},
			 stop=function(){clearInterval(timmer)};
		 up.onmouseover=function(){
			 go(1)
			 };
		 up.onmouseout=function(){
			 stop();
			 };
		 down.onmouseover=function(){
			 go(0)
			 };
		 down.onmouseout=function(){
			 stop();
			 };
			
		}
		autoScroll();