function loginUser(previous_url)
{
	new Ajax.Request('./controller/login.php', {
		method:'post',
		parameters: {
			uname:document.getElementById('uname').value,
			upass:document.getElementById('upass').value,
			rememberme:document.loginfrm.rememberme.checked
		},
		onSuccess: function(transport) {
			//alert(transport.responseText);
			if(transport.responseText == "Success")
			{
				previous_url = previous_url.replace("http:", "https:");
				window.location = previous_url;
			}
			else
			{
				alert('Failed to login. Please make you input the correct password.');
				document.getElementById('upass').value = "";
			}
		},
		onFailure: function(){ 
			alert('Login Failed.  Please try again.'); 
		}
	});
}