function rightLoginCheck()
{
    if(document.getElementById("Left1_txt_UserName").value == "" || document.getElementById("Left1_txt_UserName").value.toLowerCase() == "email address")
    {
        document.getElementById("leftLoginEmailEr").innerHTML = "Please fill in the email.";
        document.getElementById("leftLoginEmailEr").style.display = "inline";
        return false;
    }
    var username = document.getElementById("Left1_txt_UserName").value;
    var EmailReg=/^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/;
    if(!EmailReg.test(username))
    {
        document.getElementById("leftLoginEmailEr").innerHTML = "Your email is invalid.";
        document.getElementById("leftLoginEmailEr").style.display = "inline";
        return false;
    }
    else
    {
        document.getElementById("leftLoginEmailEr").style.display = "none";
    }
    if(document.getElementById("Left1_txt_Password").value == "" || document.getElementById("Left1_txt_Password").value.toLowerCase() == "password")
    {
        document.getElementById("leftLoginPasswordEr").innerHTML = "Please fill in the password.";
        document.getElementById("leftLoginPasswordEr").style.display = "inline";
        return false;
    }
    else
    {
        document.getElementById("leftLoginPasswordEr").style.display = "none";
    }
}

function txt_UserName_Focus()
{
    var txt_UserName=document.getElementById("Left1_txt_UserName");
    if(txt_UserName.value.toLowerCase() == "email address")
    {
        txt_UserName.value="";
    }
}
function txt_Password_Focus()
{
    var txt_Password=document.getElementById("Left1_txt_Password");
    if(txt_Password.value.toLowerCase() == "password")
    {
        txt_Password.value = "";
    }
}

function txt_UserName_Blur()
{
    var txt_UserName=document.getElementById("Left1_txt_UserName");
    if(txt_UserName.value=="")
    {
        txt_UserName.value = "Email address";
    }
}
function txt_Password_Blur()
{
    var txt_Password=document.getElementById("Left1_txt_Password");
    if(txt_Password.value=="")
    {
        txt_Password.value = "Password";
    }
}