function BrowserDetect() {
	this.language = "english";
	this.size = "small";	
	this.desktopLink = "http://www.lipikaar.com/lipikaar-for-windows";
	this.firefoxLink = "http://www.lipikaar.com/lipikaar-for-firefox";
	this.ieLink = "http://www.lipikaar.com/lipikaar-for-internet-explorer";
	this.OS = "";
	this.version = 10;
	this.browser = "";
	this.imagePath = "http://www.lipikaar.com/badges/";
	this.badgeLinkId = "lipikaar-badge-link";
	this.badgeIconId = "lipikaar-badge-img";
	this.badgeBrowserId = "lipikaar-browser-img";
}

BrowserDetect.prototype = {	
	init: function () {
		this.extractBadgeDetails();
		this.OS = this.searchString(this.dataOS) || "an unknown OS";		
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		if(this.browser == 'Explorer'){
			this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		}
		this.displayBadge();		
	},
	transparentFixForIe: function (eid, filepath) {
		document.getElementById(eid).style.display = "inline-block";
		document.getElementById(eid).style.paddingTop = document.getElementById(eid).height + "px";
		document.getElementById(eid).style.height = document.getElementById(eid).height + "px";
		document.getElementById(eid).style.width = document.getElementById(eid).width + "px";			
		document.getElementById(eid).style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+ filepath +"')";
	},
	extractBadgeDetails: function () {
		var path = document.getElementById(this.badgeIconId).src;
		if(path != "") {
			path = path.replace(this.imagePath,"");
			this.language = path.substring(0,path.indexOf("/")) || "english";
			path = path.replace(this.language + "/","");
			this.size = path.split("-")[1] || "small";
		}
	},
	getBadgeString: function () {
		if(this.OS != 'Windows') {
			return 'firefox';
		} else {
			if(this.browser == 'Firefox') {
				return 'firefox';
			} else if(this.browser == 'Explorer') {
				return 'internet-explorer';
			} else {
				return 'windows';
			}
		}
	},		
	displayBadge: function () {
		var type = this.getBadgeString();
		switch(type){
			case 'firefox': 
			document.getElementById(this.badgeLinkId).href = this.firefoxLink;
			break;

			case 'internet-explorer': 
			document.getElementById(this.badgeLinkId).href = this.ieLink;
			if(this.version < 7) {				
					this.transparentFixForIe(this.badgeIconId, document.getElementById(this.badgeIconId).src);
					this.transparentFixForIe(this.badgeBrowserId, document.getElementById(this.badgeBrowserId).src);
			}
			break;
			
			case 'windows':
			default:
			document.getElementById(this.badgeLinkId).href = this.desktopLink;
			break;						
		}		
		document.getElementById(this.badgeBrowserId).src = this.imagePath + "download" + '/' + "d-" + this.size + "-" + this.language + "-" + type + ".png";			
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	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;
		}
	},	
	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"
		}
	]

};
var browserDetect = new BrowserDetect();
browserDetect.init();