// JavaScript Document
$(function(){

	function setCenter(div){
		var bodyW = $(document).width();
		var bodyH = $(document).height();
		
		var winW = $(window).width();
		var winH = $(window).height();
		
		var scrollTop = $(window).scrollTop();
		var scrollL = $(window).scrollLeft();
		
		var divW = $("#editWin").width();
		var divH = $("#editWin").height();
		
		var left = winW/2 - divW/2+scrollL;
		var top = winH/2 - divH/2+scrollTop;
		
		div.css({"left":left,"top":top/5});
	}
		
	function login(){
	$.post("include/ajax_login.php",
		{"name":$("#loginName").val(),"pass":$("#loginPwd").val(),"action":"login"},
		function(data){
			if(1 == data){
			//alert(data+':登陆成功!');
			$.post("include/ajax_login.php",
				{"noCache":Math.random(),"action":"verify"},
				function(data){//验证Cookie有效否
				if(1 == data.cookie){

					$("#loginSpan").hide();
					$("#userName").html($("#loginName").val());
					$("#userSpan").show();
					$("#loginName").val('');
					$("#loginPwd").val('');//控件重置

				}else{
				alert('cookie未能正确设置,请检视您的浏览器cookie是否被允许使用!');	
				}
			},
			'json'
			);
			}else{
			alert('登陆失败!');	
			}
	});
	}
	
	//event
	$(document).keydown(function(event){
          //alert(event.keyCode);
		  //alert(document.activeElement.id=="loginPwd");
		  if(event.keyCode == 13)
		  if(document.activeElement.id=="loginPwd")
		  login(); 
    });
	
	$("#loginBtn").click(function(){
		//alert("/include/ajax_login.php");
		login();
	});
	$("#userLogout").click(function(){
		$.post("include/ajax_login.php",
		{"action":"logout"},
		function(data){//alert(data);
			if(1 == data){
				$("#loginSpan").show();
				$("#userName").empty();
				$("#userSpan").hide();
			}
		});	
	});

		
});