function initLoginBox()
{
    var loginEmail = $("#loginEmail");
    var loginPassword = $("#loginPassword");
    
    loginEmail.focus(function()
    {
        if(loginEmail.val() == "E-Mail Adresse")
            loginEmail.val("");
    });
    loginPassword.focus(function()
    {
        if(loginPassword.val() == "Password")
            loginPassword.val("");
    });
}