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Created September 16, 2011 19:23
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if(window.ActiveXObject){
var rv = -1;
var ua = navigator.userAgent;
var re = new RegExp("Trident\/([0-9]{1,}[\.0-9]{0,})");
if (re.test(ua)) {
rv = parseFloat(RegExp.$1);
}
var msie8 = (rv == 4);
var msie7 = ((window.XMLHttpRequest && !msie8) ? true : false);
// var msie6 = (!!(window.attachEvent && navigator.userAgent.indexOf('Opera') === -1)) && /MSIE 6/i.test(navigator.userAgent);
// var msie6 = !(msie7 || msie8 || msie9);
}
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