user = document.getElementById('submit_username');
email = document.getElementById('submit_email');
var userdeftxt = user.value;
var emaildeftxt = email.value;
user.onfocus = function(){
				if(user.value==userdeftxt)
				user.value='';
				}
email.onfocus = function(){
				if(email.value==emaildeftxt)
				email.value='';
				}
user.onblur = function(){
				if(user.value=='')
				user.value=userdeftxt;
				}
email.onblur = function(){
				if(email.value=='')
				email.value=emaildeftxt;
				}