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User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; InfoPath.2; Tablet PC 2.0; CIBA)
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 function hasDotNetFramework(baseVersion) {
if (typeof baseVersion == "undefined") baseVersion = 1;
var userAgent = navigator.userAgent.toLowerCase();
for (var i = baseVersion; i < 10; i++) {
if (userAgent.indexOf('.net clr ' + i + '.') > -1) {
return true;
}
}
return false;
}
if(hasDotNetFramework(2))
{
alert("ÒѾ­°²×°.net framework 2.0");
}
else
{
alert("δ°²×°.net framework2.0");

  


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