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();

function ShowFlashContent()
{
    var flashDiv = document.getElementById('FlashContent');
    flashDiv.style.display = 'block';
}

function ShowRequirementsContent()
{
    var requirementsDiv = document.getElementById('RequirementsDiv');
    requirementsDiv.style.display = 'block';
}

function HideBrowserRequirementsContent()
{
    var browserRequirements = document.getElementById('BrowserRequirements');
    browserRequirements.style.display = 'none';
}

function HideFlashRequirementsContent()
{
    var flashRequirements = document.getElementById('FlashRequirements');
    flashRequirements.style.display = 'none';
}

function ValidateRequirements()
{
    var blnBrowser = false;
    var blnFlash = false;
    
    switch(BrowserDetect.browser)
    {
        case "Explorer":
            if (BrowserDetect.version >= 6)
            {
                blnBrowser = true;
            }
            break;
        
        case "Firefox":
            if (BrowserDetect.version >= 2)
            {
                blnBrowser = true;
            }
            break;
            
        case "Safari":
            if (BrowserDetect.version >= 2 || BrowserDetect.version == null)
            {
                blnBrowser = true;
            }            
            break;
    }
    
    if (DetectFlashVer(8, 0, 0))
        blnFlash = true
    
    if (blnBrowser && blnFlash)
    {
        ShowFlashContent();
    }
    else
    {
        ShowRequirementsContent();
        
        if (blnBrowser)
            HideBrowserRequirementsContent();
            
        if (blnFlash)
            HideFlashRequirementsContent();
    }
}