function showLoginBox() {	
	$('#login_box_content').dialog('open'); 
	$('#username').select();
}

function closeLoginBox() {
	$('#login_box_content').dialog('close');
}

function changeVerifyCode() {
	$("#verifyImage").attr("src", "../common/verifyImage.htm?v=" + new Date().getTime());
}
 
$(document).ready(function(){
	var _handleMessage = function (reply) {
		if(!hasErrors(reply)){
			alertMessages(reply);
			window.location.href = "../myspace/";		
		} else {
			alertMessages(reply);
		} 
		_changeLoginDialogSize();
	};
	var options = {
		type: 'POST',
		dataType: 'json',
		beforeSubmit:lockForm,
		error: _handleMessage,
		success: _handleMessage
	};
	$('#loginForm').ajaxForm(options);
	
	$("#login_box_content").dialog({
		bgiframe: true,
		autoOpen: false,
		height: 244,
		width: 360,
		modal: true,
		resizable:false,
		dialogClass: 'login-box' });		 
	
});

function _changeLoginDialogSize(){ 
	if($("#verifyField").css("display") == "" || $("#verifyField").css("display") == "block") {
		$("#login_box_content").dialog('option', 'height', 280);
		$("#login_box_content").css('height', '273px');
	}  
}