function formatLoginFormUserNameCorrectlyWhenFocusing() {
 if (document.login_form.email.value=='Email') document.login_form.email.value=''; 
}
function formatLoginFormPasswordCorrectlyWhenFocusing() {
 if (document.login_form.password.value=='Password') document.login_form.password.value=''; 
}
function formatLoginFormUserNameCorrectlyWhenBlurring() {
 if (document.login_form.email.value=='') document.login_form.email.value='Email'; 
}
function formatLoginFormPasswordCorrectlyWhenBlurring() {
 if (document.login_form.password.value=='') document.login_form.password.value='Password'; 
}