function commitLogin(){
	var usernameInput = document.getElementById('login-username');
	var passwordInput = document.getElementById('login-password');
	
	var returnErrors = new Array();
	var i = 0;
	
	if(usernameInput.value == '') returnErrors[i++] = 'You must enter an username.';
	else if (usernameInput.value == 'Username') returnErrors[i++] = 'You must enter an username different than \'Username\'.';
	
	if(passwordInput.value == '') returnErrors[i++] = 'You must enter a password.';
	else if (passwordInput.value == 'Password') returnErrors[i++] = 'You must enter a password different than \'Password\'.';
	
	if(returnErrors.length == 0){
		document.loginForm.submit();
	}
	else{
		var alertText = '';
		
		var i = 0;
		for(i = 0; i <= returnErrors.length-1; i++){
			alertText += returnErrors[i]+"\n";
		}
		
		alert(alertText);
	}
}

function clearInput(currentId, currentValue, defaultValue){
	var currentInput = document.getElementById(currentId);
	if(currentValue == defaultValue) currentInput.value = ''; 
}

function verifyInput(currentId, currentValue, defaultValue){
	var currentInput = document.getElementById(currentId);
	if(currentValue == '') currentInput.value = defaultValue; 
}