var emailOverImage;
var emailOutImage;
var loginOverImage;
var loginOutImage;
var registerOverImage;
var registerOutImage;
var tellFriendShow_bol = false;
var login_bol = false;
var forgetPsw_bol = false;
var register_bol = false;
var browser=navigator.appName;
if (document.images)
{
	emailOverImage = new Image();
	emailOverImage.src = "/eng/img/btn_email_on.gif";
	emailOutImage = new Image();
	emailOutImage.src = "/eng/img/btn_email.gif";
	loginOverImage = new Image();
	loginOverImage.src = "/eng/img/btn_member_on.jpg";
	loginOutImage = new Image();
	loginOutImage.src = "/eng/img/btn_member.gif";
	logoutOverImage = new Image();
	logoutOverImage.src = "/eng/img/btn_memberOut_on.gif";
	logoutOutImage = new Image();
	logoutOutImage.src = "/eng/img/btn_memberOut.gif";	
	registerOverImage = new Image();
	registerOverImage.src = "/eng/img/btn_stat_on.jpg";
	registerOutImage = new Image();
	registerOutImage.src = "/eng/img/btn_stat.gif";
}

function changeEmailIcon(pImgTag)
{
	pImgTag.src = emailOverImage.src;
}

function changeBackEmailIcon(pImgTag)
{
	pImgTag.src = emailOutImage.src;
}

function changeLoginIcon(pImgTag)
{
	pImgTag.src = loginOverImage.src;
}

function changeBackLoginIcon(pImgTag)
{
	pImgTag.src = loginOutImage.src;
}

function changeLogoutIcon(pImgTag)
{
	pImgTag.src = logoutOverImage.src;
}

function changeBackLogoutIcon(pImgTag)
{
	pImgTag.src = logoutOutImage.src;
}


function changeRegisterIcon(pImgTag)
{
	pImgTag.src = registerOverImage.src;
}

function changeBackRegisterIcon(pImgTag)
{
	pImgTag.src = registerOutImage.src;
}

function closeCurrentLightBox()
{
	if(tellFriendShow_bol)
	{
		tellFriendDisplayOff();
	}
	if(login_bol)
	{
		loginDisplayOff();
	}
	if(forgetPsw_bol)
	{
		forgetPswDisplayOff();
	}
	if(register_bol)
	{
		registerDisplayOff();
	}
}

function tellFriendDisplayOn()
{
	tellFriendShow_bol = true;
	document.getElementById("lightboxBackground").style.visibility = '';
	document.getElementById("tellFriendPanel").style.visibility = '';
	tellFriendEnterFrame();
}

function tellFriendDisplayOff()
{
	tellFriendShow_bol = false;
	document.getElementById("lightboxBackground").style.visibility = 'hidden';
	document.getElementById("tellFriendPanel").style.visibility = 'hidden';
}

function tellFriendEnterFrame()
{
	if(tellFriendShow_bol)
	{
		try{
			document.getElementById("tellFriendPanel").style.left = ((window.innerWidth - 362) / 2)+'px';
		}catch(e)
		{
			document.getElementById("tellFriendPanel").style.left = ((document.body.clientWidth - 362) / 2)+'px';
		}
		
	}
}

function loginDisplayOn()
{
	login_bol = true;
	loginDisplayEnterFrame();
	document.getElementById("lightboxBackground").style.visibility = '';
	document.getElementById("loginPanel").style.visibility = '';
}

function loginDisplayOff()
{
	login_bol = false;
	document.getElementById("lightboxBackground").style.visibility = 'hidden';
	document.getElementById("loginPanel").style.visibility = 'hidden';
}

function loginDisplayEnterFrame()
{
	if(login_bol)
	{
		try{
			document.getElementById("loginPanel").style.left = ((window.innerWidth) / 2-50)+'px';
		}catch(e)
		{
			document.getElementById("loginPanel").style.left = ((document.body.clientWidth) / 2-50)+'px';
		}
	}
}

function changeToRegister()
{
	login_bol = false;
	register_bol = true;
	document.getElementById("loginPanel").style.visibility = 'hidden';
	registerDisplayEnterFrame();
	document.getElementById("registerPanel").style.visibility = '';
}

function changeToForgetPsw()
{
	login_bol = false;
	forgetPsw_bol = true;
	document.getElementById("loginPanel").style.visibility = 'hidden';
	forgetPswDisplayEnterFrame();
	document.getElementById("forgetPswPanel").style.visibility = '';
}

function forgetPswDisplayOn()
{
	forgetPsw_bol = true;
	document.getElementById("lightboxBackground").style.visibility = '';
	document.getElementById("forgetPswPanel").style.visibility = '';
}

function forgetPswDisplayOff()
{
	forgetPsw_bol = false;
	document.getElementById("lightboxBackground").style.visibility = 'hidden';
	document.getElementById("forgetPswPanel").style.visibility = 'hidden';
}

function forgetPswDisplayEnterFrame()
{
	if(forgetPsw_bol)
	{
		try{
			document.getElementById("forgetPswPanel").style.left = ((window.innerWidth) / 2-100)+'px';
		}catch(e)
		{
			document.getElementById("forgetPswPanel").style.left = ((document.body.clientWidth) / 2-100)+'px';
		}
	}
}


function registerDisplayOn()
{
	register_bol = true;
	registerDisplayEnterFrame();
	document.getElementById("lightboxBackground").style.visibility = '';
	document.getElementById("registerPanel").style.visibility = '';
}

function registerDisplayOff()
{
	register_bol = false;
	document.getElementById("lightboxBackground").style.visibility = 'hidden';
	document.getElementById("registerPanel").style.visibility = 'hidden';
}

function registerDisplayEnterFrame()
{
	if(register_bol)
	{
		try{
			document.getElementById("registerPanel").style.left = ((window.innerWidth - 477) / 2)+'px';
		}catch(e)
		{
			document.getElementById("registerPanel").style.left = ((document.body.clientWidth - 477) / 2)+'px';
		}
	}
}

addEnterFrame(registerDisplayEnterFrame);
addEnterFrame(tellFriendEnterFrame);
addEnterFrame(forgetPswDisplayEnterFrame);
addEnterFrame(loginDisplayEnterFrame);