// ID for each Browser type
// 1: Firefox
// 2: IE6
// 3: IE7

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();
var Diemtin_browserID = 0;
///////////////////
if (BrowserDetect.browser == "Firefox"){
	Diemtin_browserID = 1;
} else if (BrowserDetect.browser == "Explorer" && BrowserDetect.version == "6") {
	Diemtin_browserID = 2;
} else if (BrowserDetect.browser == "Explorer" && BrowserDetect.version == "7") {
	Diemtin_browserID = 3;
}

function isVietNamTyping(){
  	var temp = document.getElementById('btnVietkey1').src;    
    if (temp.substr(temp.lastIndexOf("/")+1, temp.length) =='V.gif') 
    {
        return true;
    } 
    return false;
}

function btnVietkey_onclick(sender) 
{
    
    var temp = sender.src;    
    if (temp.substr(temp.lastIndexOf("/")+1, temp.length) =='V.gif') 
    {
        setMethod(-1);
        sender.src ='/images/E.gif';
    } 
    else 
    {
        setMethod(0);
        sender.src ='/images/V.gif';       
    }
    return true;
}

function IniteLanguageSearch(sLanguage, btnVietkey1) {

    if (sLanguage == 'en-US') {
        setMethod(-1);
        btnVietkey1.src = '/images/E.gif';
    }
    else {
        setMethod(0);
        btnVietkey1.src = '/images/V.gif';
    }
    return true;

}

function OnBlur(sender, msg)
{   
    if(sender && sender.value == "")
    {
        sender.value = msg;
    }
}

function Onfocus(sender)
{
    sender.value = "";
}