function getCookie(c_name)
{
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=");
  if (c_start!=-1)
    { 
    c_start=c_start + c_name.length+1; 
    c_end=document.cookie.indexOf(";",c_start);
    if (c_end==-1) c_end=document.cookie.length;
    return unescape(document.cookie.substring(c_start,c_end));
    } 
  }
return "";
}

function setCookie(c_name,value,expiredays)
{
var exdate=new Date();
exdate.setDate(exdate.getDate()+expiredays);
document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}




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"
		},
		{
			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();

//alert(BrowserDetect.browser+ " " +BrowserDetect.version+ " " + BrowserDetect.OS);


browserCheck=getCookie('browserCheck');
if (browserCheck!=null && browserCheck!="")
  {
		var emptyVar=browserCheck+" cookie is set";
  }
  else 
  {
 
if(BrowserDetect.browser == "Explorer" && BrowserDetect.version < 6){
	alert("This site is not optimized for your current version of the browser");
	    setCookie('browserCheck','completedExp6',3650);
	//alert("You need to upgrade to IE 7, redirecting you to http://www.microsoft.com/windows/downloads/ie/getitnow.mspx");
	//window.location="http://www.microsoft.com/windows/downloads/ie/getitnow.mspx";
}

if(BrowserDetect.browser == "Explorer" && BrowserDetect.version == 8){
alert("This site is not optimized for your current version of the browser");
  		setCookie('browserCheck','completedExp8',3650);

	//alert("This site is not yet optimized for IE 8. please revert to IE 7, redirecting you to http://www.microsoft.com/windows/downloads/ie/getitnow.mspx");
	//window.location="http://www.microsoft.com/windows/downloads/ie/getitnow.mspx";
}

if(BrowserDetect.browser == "Firefox" && BrowserDetect.version < 3){
	alert("This site is not optimized for your current version of the browser");
		  setCookie('browserCheck','completedFox',3650);
	
	//alert("You need an upgrade for your browser, redirecting you to http://www.mozilla.com/en-US/firefox/");
	//window.location="http://www.mozilla.com/en-US/firefox/";
}

if(BrowserDetect.browser == "Opera" && BrowserDetect.version < 9.6 ){
	alert("This site is not optimized for your current version of the browser");
		  setCookie('browserCheck','completedOp',3650);
	//alert("You need to upgrade to Opera 9.6 or above, redirecting you to http://www.opera.com/");
	//window.location="http://www.opera.com/";
}

if(BrowserDetect.browser == "Safari" && BrowserDetect.version < 3.2){
	alert("This site is not optimized for your current version of the browser");
	  setCookie('browserCheck','completedSaf',3650);
	//alert("You need to upgrade to Safare 3.2 or above, redirecting you to http://www.apple.com/safari/download/");
	//window.location="http://www.apple.com/safari/download/";
}

if(BrowserDetect.browser == "Chrome" && BrowserDetect.version < 1.0){
	alert("This site is not optimized for your current version of the browser");
	  setCookie('browserCheck','completedChr',3650);
	//alert("You need to upgrade your version of Chrome, redirecting you to http://www.google.com/chrome");
	//window.location="http://www.google.com/chrome";
}
}