添加到收藏夹js(兼容ie/ff/op)不兼容chrome求解决

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varwww_yibo_com=function(obj,url,title){vare=window.event||arguments.callee.caller.arguments[0];varB={IE:/MSIE/.test(window.navigator.userAgent)&&!window.opera,FF:/Firefox/.test(window.navigator.userAgent),OP:!!window.opera};obj.onmousedown=null;if(B.IE){obj.attachEvent("onmouseup",function(){try{window.external.AddFavorite(url,title);window.event.returnValue=false;}catch(exp){}});}else{if(B.FF||obj.nodeName.toLowerCase()=="a"){obj.setAttribute("rel","sidebar"),obj.title=title,obj.href=url;}elseif(B.OP){vara=document.createElement("a");a.rel="sidebar",a.title=title,a.href=url;obj.parentNode.insertBefore(a,obj);a.appendChild(obj);a=null;}}};<ahref="javascript:void(0);returnfalse;"onMouseDown="www_yibo_com(this,'','一博网，打造网上最专业的云购平台！')">收藏一博购</a>