function initPage(){
	initValidation();
}

function initValidation(){
	var form = document.getElementById('loginForm');
	var agree = document.getElementById('agree');
	
	form.onsubmit = function(){
		if(!agree.checked){
			alert('You must agree to the Terms & Conditions before logging on.');
			return false;
		}
	}
}

if (window.addEventListener)
	window.addEventListener("load", initPage, false);
else if (window.attachEvent && !window.opera)
	window.attachEvent("onload", initPage);