window["MzBrowser"] = {};
(function () {
	if (MzBrowser.platform) {
		return;
	}
	var ua = window.navigator.userAgent;
	MzBrowser.platform = window.navigator.platform;
	MzBrowser.firefox = ua.indexOf("Firefox") > 0;
	MzBrowser.opera = typeof (window.opera) == "object";
	MzBrowser.ie = !MzBrowser.opera && ua.indexOf("MSIE") > 0;
	MzBrowser.mozilla = window.navigator.product == "Gecko";
	MzBrowser.netscape = window.navigator.vendor == "Netscape";
	MzBrowser.safari = ua.indexOf("Safari") > -1;
	if (MzBrowser.firefox) {
		var re = /Firefox(\s|\/)(\d+(\.\d+)?)/;
	} else {
		if (MzBrowser.ie) {
			var re = /MSIE( )(\d+(\.\d+)?)/;
		} else {
			if (MzBrowser.opera) {
				var re = /Opera(\s|\/)(\d+(\.\d+)?)/;
			} else {
				if (MzBrowser.netscape) {
					var re = /Netscape(\s|\/)(\d+(\.\d+)?)/;
				} else {
					if (MzBrowser.safari) {
						var re = /Version(\/)(\d+(\.\d+)?)/;
					} else {
						if (MzBrowser.mozilla) {
							var re = /rv(\:)(\d+(\.\d+)?)/;
						}
					}
				}
			}
		}
	}
	if ("undefined" != typeof (re) && re.test(ua)) {
		MzBrowser.version = parseFloat(RegExp.$2);
	}
	
	//if (MzBrowser.ie && MzBrowser.version >= 6 && MzBrowser.version < 7) {
	//	var _png_min_js = "http://static.groups.im/js/png-min.js";
	//	document.writeln("<script type=\"text/javascript\" src=\"" + _png_min_js + "\"></script>");
	//	document.writeln('<script language="javascript">DD_belatedPNG.fix(\'.j_div,.sel,.acc_tag_l,.acc_tag_m,.acc_tag_r,.bgl,.bgm,.bgr,.note_list ul.list1 li,.note_list ul.list2 li,.region_icon,.gbarDiv ul li,.icon_1.png,.spa_info ul.in_task li,.spa_t_left,.spa_t_right,.spa_t_m,.so_btn,.l,.m,.r,.arrow_b,.arrow_g,.im_msn,.im_yahoo,.bl,.bm,.br,.pre_tag_l,.pre_tag_m,.pre_tag_r,.spa_tag_l,.spa_tag_m,.spa_tag_r,.set_group_l,.set_group_m,.set_group_r,img,.c_btn_left,.c_btn_mid,.c_btn_right\');</script>');
	//}else{
	//	var _png_min_js = "http://static.groups.im/js/png-min.js";
	//	document.writeln("<script type=\"text/javascript\" src=\"" + _png_min_js + "\"></script>");
	//	document.writeln('<script language="javascript">DD_belatedPNG.fix(\'.j_div,.sel,.acc_tag_l,.acc_tag_m,.acc_tag_r,.bgl,.bgm,.bgr,.note_list ul.list1 li,.note_list ul.list2 li,.region_icon,.gbarDiv ul li,.icon_1.png,.spa_info ul.in_task li,.spa_t_left,.spa_t_right,.spa_t_m,.so_btn,.l,.m,.r,.arrow_b,.arrow_g,.im_msn,.im_yahoo,.bl,.bm,.br,.pre_tag_l,.pre_tag_m,.pre_tag_r,.spa_tag_l,.spa_tag_m,.spa_tag_r,.set_group_l,.set_group_m,.set_group_r,img,.c_btn_left,.c_btn_mid,.c_btn_right\');</script>');
	//}
})();