function alertLogin() {
		var theusername = $("[name=username]").val();
		var password = $("[name=password]").val();

        var loginsubmit_url = '/trip/login_submit2.php';
        $.post(loginsubmit_url,{  
       		username: theusername,
       		password: password      		  
     	}, function(response) {
     		if (response.indexOf('ok') != -1) {
				$('.close-overlay').click();
				showLoggedInState();
 			}
 			else {
 				$('#login-error').html(response);
 				$('#login-error').show();  
			}
 		});   
    }
    
    function alertRegister() {
		var theusername = $("[name=reg_username]").val();
		var pass = $("[name=reg_pass]").val();
		var pass2 = $("[name=reg_pass2]").val();
		var email = $("[name=reg_email]").val();
		var email2 = $("[name=reg_email2]").val();

        var registersubmit_url = '/trip/register_submit.php';
        $.post(registersubmit_url,{  
       		username: theusername,
       		pass: pass,    		  
       		pass2: pass2,      		  
       		email: email,    		  
       		email2: email2      		  
     	}, function(response) {  
     		if (response.indexOf('ok') != -1) {
				$('.close-overlay').click();
				showLoggedInState();
 			}
 			else {
 				$('#reg-error').html(response);
 				$('#reg-error').show();  
			}
 		});   
    }