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	function detect_flash_version() 
	{
		var ua = navigator.userAgent.toLowerCase();
		var flash_version = 0;
		
		if (navigator.plugins && navigator.plugins.length) 
		{
			var p = navigator.plugins['Shockwave Flash'];
			
			if (typeof p == 'object') 
			{
				for (var i = 10; i >= 3; i--) 
				{
					if (p.description && p.description.indexOf(' ' + i + '.') != -1) { flash_version = i; break; }
				}
			}
		}
		else if (ua.indexOf("msie") != -1 && ua.indexOf("win")!=-1 && parseInt(navigator.appVersion) >= 4 && ua.indexOf("16bit")==-1) 
		{
			for (var i = 10; i >= 2; i--)
			{
				try
				{
					var object = eval("new ActiveXObject('ShockwaveFlash.ShockwaveFlash." + i + "');");

					if (object)
					{
						flash_version = i;

						break;
					}
				}
				catch (e) {}
			}
		}
		else if (ua.indexOf("webtv/2.5") != -1) flash_version = 3;
		else if (ua.indexOf("webtv") != -1) flash_version = 2;

		return flash_version;
	}
	
	var flash_version = detect_flash_version();
	
	if (flash_version < 9)
	{
		if (flash_version == 0)
		{
			if (confirm('您尚未安装 Adobe Flash Player, 上传组件需要该程序支持, 是否访问安装页面?'))
			{
				window.location = 'http://www.adobe.com/go/getflash';
			}
		}
		else
		{
			if (confirm('您的 Adobe Flash Player 版本是 ' + flash_version + '.0, 上传组件要求最低版本为 9.0, 是否访问升级页面?'))
			{
				window.location = 'http://www.adobe.com/go/getflash';
			}
		}
	}

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