// JavaScript Document

var navName	= "";
var navVer	= 4;

var ie = /MSIE\s+([^\s;]+)/.exec(navigator.appVersion);
var ff = /Netscape/.exec(navigator.appName);

if (ie != null)
{
	navName	= "ie";
	navVer	= parseInt(ie[1]);
}
else if (ff != null)
{
	navName	= "ff";
	ff 		= /(\d+\.\d+)/.exec(navigator.appVersion);
	if (ff)
	{
		navVer	= parseInt(ff[1]);
	}
}

var lngImgDirPath = "images/";
if (lngImgDir) lngImgDirPath += lngImgDir + "/";
else lngImgDirPath += "es/";

function switchUNBg()
{
	if (navName == "ie" && navVer == 8)
	{
		if (document.getElementById("usermail").value == "") setUNBgImg();
		else setInpBgImg("login", "usermail", "");
	}
	else
	{
		if (document.forms["login"].elements["usermail"].value == "") setUNBgImg();
		else setInpBgImg("login", "usermail", "");
	}
}

function switchPWBg()
{
	if (navName == "ie" && navVer == 8)
	{
		if (document.getElementById("password").value == "") setPWBgImg();
		else setInpBgImg("login", "password", "");
	}
	else
	{
		if (document.forms["login"].elements["password"].value == "") setPWBgImg();
		else setInpBgImg("login", "password", "");
	}
}

function setUNBgImg()
{
	var imgPath = lngImgDirPath + "unbg.png";
	setInpBgImg("login", "usermail", imgPath);
}

function setPWBgImg()
{
	var imgPath = lngImgDirPath + "pwbg.png";
	setInpBgImg("login", "password", imgPath);
}

function setInpBgImg(form, elem, img)
{
	var newImage = "url(" + img + ")";
	if (navName == "ie" && navVer == 8)
	{
		document.getElementById(elem).style.backgroundImage	= newImage;
		document.getElementById(elem).style.border			= "#7f9db9 solid 1px;";
		document.getElementById(elem).style.width			= 125;
	}
	else
	{
		document.forms[form].elements[elem].style.backgroundImage	= newImage;
		document.forms[form].elements[elem].style.border			= "#7f9db9 solid 1px";
		document.forms[form].elements[elem].style.width				= 125;
	}
}