var blockerPage;
var warningPage;
var currentPage = window.location.href;
var pathPrefix = currentPage.split('../default.htm')[2];

if(pathPrefix == 'cart.dev1.grdev.com' || pathPrefix == 'new.proactiv.com' || pathPrefix == 'grc-02.activewebnetworks.com') {
	blockerPage = "http://new.proactiv.com/browser/unsupported.php";
	warningPage = "http://new.proactiv.com/browser/warning.php";
}

else {
	blockerPage = "../browser/unsupported.php.htm";
	warningPage = "../browser/warning.php.htm";
}

var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "unknown";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "unknown";
		this.OS = this.searchString(this.dataOS) || "unknown";
	},
	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/default.htm",
			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"
		}
	]

};

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=../default.htm";
}

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);
}

//testing if cookies enabled
createCookie('testCookie','true', 0);
var testCookie = readCookie('testCookie');

BrowserDetect.init();
var browser = BrowserDetect.browser;
var version; 
	if(BrowserDetect.version != "an unknown version") version = BrowserDetect.version*1;
	else version = BrowserDetect.version;

var warnCookie = readCookie('browserWarn');

if (
	(browser == "Explorer" && version < 6) ||
	(browser == "Safari" && version < 411) || 
	(browser == "Netscape" && version < 8) || 
	(browser == "Netscape" && version == "an unknown version") ||
	(browser == "Mozilla" && version < 1)
	) { 
		window.location = blockerPage;
	}
	
else if((
	(version == "unknown") || 
	(browser == "unknown") || 
	(browser == "Firefox" && version < 2) || 
	(browser == "Opera") || 	
	(browser == "Omniweb" && version < 2) || 
	(browser == "Netscape" && version >= 8) || 
	(browser == "Mozilla" && version < 1.8)
	) && warnCookie != "true" && testCookie == 'true') {
		createCookie('browserWarn','true',0);
		createCookie('previousPage',currentPage, 0);
		window.location = warningPage;
	}