window.usernamefieldactivated = 0;
$(document).ready(function () {
	$('#username').focus(function(){
		if(window.usernamefieldactivated==0) {
			$(this).val('');
		}
	});
	
	$('#username').blur(function(){
		if($(this).val()=='') {
			$(this).val('username');
			window.usernamefieldactivated = 0;
		} else {
			window.usernamefieldactivated = 1;
		}
	});
	
});