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function addEvent(elem,type,fn){if(elem.nodeName==="A"&&type==="click"){elem.setAttribute("href","javascript:void(0)")};if(elem.addEventListener){elem.addEventListener(type,fn,false);return true;}else if(elem.attachEvent){elem['e'+type+fn]=fn;elem[type+fn]=function(){elem['e'+type+fn](window.event);}

elem.attachEvent("on"+type,elem[type+fn]);return true;}

return false;};

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function show(flag){var i=flag;for(var j=0;j<handle.length;j++){handle[j].className="";content[j].style.display="none";};handle[i].className=myClass;content[i].style.display="block";if(handle[i].nodeName==="A")handle[i].blur();(flag+1)==handle.length?flag=0:flag++;if(speed){timer=setTimeout(function(){show(flag)},speed);addEvent(content[i],"mouseover",function(){clearTimeout(timer)});addEvent(content[i],"mouseout",function(){clearTimeout(timer);timer=setTimeout(function(){show(flag)},speed)});};if(fn)fn();}

if(speed)show(flag);}

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