// Abstraction v.0.5 (c) 2008 Britton Reeder-Thompson //
//           Browser Detect JS Functions              //

var Browser_detect =
{
	
	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"
		}
	]

};

$(document).ready( function()
{
	
	Browser_detect.init();
	
});

function is_IE(version)
{

	if (version)
	{
		
		if (Browser_detect.browser == "Explorer" && Browser_detect.version == version)
		{
			
			return true;
			
		} else {
			
			return false;
			
		}
		
	} else {
		
		if (Browser_detect.browser == "Explorer")
		{
			
			return true;
			
		} else {
			
			return false;
			
		}
		
	}
		
}

function is_FF(version)
{

	if (version)
	{
		
		if (Browser_detect.browser == "Firefox" && Browser_detect.version == version)
		{
			
			return true;
			
		} else {
			
			return false;
			
		}
		
	} else {
		
		if (Browser_detect.browser == "Firefox")
		{
			
			return true;
			
		} else {
			
			return false;
			
		}
		
	}
		
}

function is_Chrome(version)
{

	if (version)
	{
		
		if (Browser_detect.browser == "Chrome" && Browser_detect.version == version)
		{
			
			return true;
			
		} else {
			
			return false;
			
		}
		
	} else {
		
		if (Browser_detect.browser == "Chrome")
		{
			
			return true;
			
		} else {
			
			return false;
			
		}
		
	}
		
}

function is_Safari(version)
{

	if (version)
	{
		
		if (Browser_detect.browser == "Safari" && Browser_detect.version == version)
		{
			
			return true;
			
		} else {
			
			return false;
			
		}
		
	} else {
		
		if (Browser_detect.browser == "Safari")
		{
			
			return true;
			
		} else {
			
			return false;
			
		}
		
	}
		
}