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: "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"
		}
	]

};
BrowserDetect.init();


function browser_detect() {
	var type = "";

	if ( BrowserDetect.browser == 'Firefox'  ) {
		if ( BrowserDetect.version > '1.5' ){
			if ( BrowserDetect.OS == 'Windows' ){
				type = "ff_pc";
			} else if ( BrowserDetect.OS == 'Mac' ) {
				type = "ff_mac";
			}
		}
	}
	if ( BrowserDetect.browser == 'Netscape'  ) {
		if ( BrowserDetect.version > '7.2' ){
			if ( BrowserDetect.OS == 'Windows' ){
				type = "netscape_pc";
			} else if(BrowserDetect.OS == 'Linux' ){
				type = "netscape_linux";
			}
		}
	}
	if ( BrowserDetect.browser == 'Safari'  ) {
		if ( BrowserDetect.version > '410' ){
			if ( BrowserDetect.OS == 'Windows' ){
				type = "safari_pc";
			} else if(BrowserDetect.OS == 'Mac') {
				type = "safari_mac";
			}
		}
	}
	if ( BrowserDetect.browser == 'Explorer'  ) {
        if ( BrowserDetect.version < '7' ){
            if ( BrowserDetect.OS == 'Windows' ){
                type = "ie6";
            } else if(BrowserDetect.OS == 'Mac') {
                type = "ie6_mac";
            }
        }
        if ( BrowserDetect.version >= '7' ){
            if ( BrowserDetect.OS == 'Windows' ){
                type = "ie7";
            } else if(BrowserDetect.OS == 'Mac') {
                type = "ie7_mac";
            }
        }
    }
	if(type != "") {
		document.write('<link rel = "stylesheet" type = "text\/css" href = "/Styles/bpv3_' + type + '.css" />');
	}
}