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var second=ver.charAt(pst+7);
var nver=Number(first+second)
if(nver <= 55){alert("提示：\n\n您的浏览器版本低于5.5，系统某些功能不能正常使用。请尽快升级");}
var wd=screen.width
var hg=screen.height
if (wd != 1024 || hg != 768) {alert("您的屏幕分辨率为"+wd+"*"+hg+",系统最佳分辨率1024*768")}
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