﻿function lsl(_sl){if(!_sl)return ;var ss=document.getElementsByTagName('script');for(var i=0;i<_sl.length;i++){var _sf=_sl[i];var _f=false;for(var j=0;j<ss.length;j++){var _s=ss[j].getAttribute('src');if(_s&&_s==_sf){_f=true;break;}};if(!_f){document.write('<scr'+'ipt type="text/javascript" src="'+_sf+'"></scr'+'ipt>');}}};
