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: "Chrome",
			identity: "Chrome"
		},
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari",
			versionSearch: "Version"
		},
		{
			prop: window.opera,
			identity: "Opera",
			versionSearch: "Version"
		},
		{
			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.userAgent,
			   subString: "iPhone",
			   identity: "iPhone/iPod"
	    },
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
function CookieData(name,value)
{
	this.name=name;
	this.value=value;
}
function createCookie(name,value,hours) {
	var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}
function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}
function eraseCookie(name) {
	createCookie(name,"",-1);
}

function doIncompatibleLogic(message,cookieVal)
{
	var val = readCookie("SullBrowserDetector");
	if (val==null)
	{
		var div  = document.createElement('div');
	    div.className="browserMsg";
	    var span = document.createElement('span');
	    span.className='closeMsg';
	    span.onclick=function(){hideMsg(div)};
	    span.innerHTML = "x";
	    div.appendChild(span);
	    var span2 = document.createElement('span');
	    span2.innerHTML=message;
	    div.appendChild(span2);
        document.getElementsByTagName('body')[0].appendChild(div);
	
		createCookie("SullBrowserDetector",cookieVal,"3");
	}
	
	
}

function hideMsg(e)
{
    e.style.display='none';
}

BrowserDetect.init();
var currentVersion="compatible version";
var compatibleBrowser=true;

if(BrowserDetect.browser == "Explorer"  || BrowserDetect.browser == "Chrome" || BrowserDetect.browser == "Firefox" || BrowserDetect.browser == "Safari" )
{
	if(BrowserDetect.browser == "Explorer" && (BrowserDetect.version != "8" || document.documentMode=="7")) 
	{
		currentVersion="ie_"+BrowserDetect.version+"_"+ document.documentMode;
		compatibleBrowser=false;
	}
	else if(BrowserDetect.browser == "Chrome" && BrowserDetect.version != "13")
	{
		currentVersion="chrome_"+BrowserDetect.version;
		compatibleBrowser=false;
	}
	else if (BrowserDetect.browser == "Firefox" && BrowserDetect.version != "4") 
	{
		currentVersion="ff_"+BrowserDetect.version;
		compatibleBrowser=false;
	} 
	else if (BrowserDetect.browser == "Safari" && BrowserDetect.version != "5") 
	{
		currentVersion="safari_"+BrowserDetect.version;
		compatibleBrowser=false;
	}
	if(!compatibleBrowser)
	{	
		doIncompatibleLogic('This site is best viewed on (IE 8, Safari 5, Firefox 4, Google Chrome 13)',currentVersion);
	}
}
else
{
	doIncompatibleLogic('This site is best viewed on (IE 8, Safari 5, Firefox 4, Google Chrome 13)',BrowserDetect.browser );
}