window.onload = function () {
document.getElementById('username').onfocus = function(evt) {
if(this.value == 'Username') this.value = '';
document.getElementById('helper').innerHTML = '';
}
document.getElementById('username').onblur = function(evt) {
if(this.value == '') this.value = 'Username';
}
document.getElementById('questionBox').onsubmit = function() {return checkForm();};
}

function checkForm() {
	if ((document.getElementById('username').value == '') || (document.getElementById('username').value == 'Username') || (document.getElementById('username').value.length < 3) || (document.getElementById('username').value.length > 10)) {
	document.getElementById('helper').innerHTML = 'To register, please enter your own username between 3 and 10 characters in length';
		return false;
	}
	}