var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();

var wmp;
var flip4mac;

if (BrowserDetect.OS=="Windows")
{
//this is Windows, no need to detect.
}

else
{
	for (var i = 0;i < navigator.plugins.length;i++)
	{
		//document.write(navigator.plugins[i].name+"<br/>");
		//alert(navigator.plugins[i].name);
		if (navigator.plugins[i].name.substring(0,8) == "Flip4Mac")
		{
			flip4mac = true;
		}
		if (navigator.plugins[i].name.substring(0,20) == "Windows Media Plugin")
		{
			wmp = true;
		}
	}

	//if (wmp)
	//{
	//	if (confirm("The system has detected that you are using Windows Media Player "+
	//	"for Mac. If there are no content playing for a while, please try refr" +
	//	"eshing this page. To avoid seeing this warning, please click OK to install Flip4Mac Component.") )
	//	{
	//		var installUrl = "http://www.microsoft.com/windows/windowsmedia/player/download/download.aspx";
	//		window.location.href = installUrl;
	//	}
	//}	
	
	if (!wmp&&!flip4mac)  
	{
		if (confirm("The system has detected that you do not have Windows Media Player" +
		" or Flip4Mac Player installed. Click OK to proceed to the player Download page. We recommend "+
		"installing Flip4Mac Component which is the second item in the list.") )
		{
			var installUrl = "http://www.microsoft.com/windows/windowsmedia/player/download/download.aspx";
			window.location.href = installUrl;
		}
		
	}


}