var layerindex = 0;
var drag = function(elm) {
	$("#"+elm).css({'z-index':'1000','background':'url(c/images/chat_point_2.png)'});
	$("#"+elm).siblings().css({'z-index':'999','background':'url(c/images/chat_point.png)'});
	$("#"+elm).draggable();
}
var sayto = function(n) {
	$("input#msg").val('@'+n+': ').focus();
}
var doResize = function() {
	$("#back_box").width($(window).width());
	$("#back_box").height($(window).height());
	$("#back_clock").width($(window).width());
	//$("#back_clock").height($(window).height());
	$("#msg_box").width($(window).width());
	$("#msg_box").height($(window).height());
}

var changemenu = function(elem)
{
	var allElem = new Array('menu_me','menu_work','menu_blog','menu_cp');
	$("#copyright").css({"color":"#fff"});
	for(var i=0;i<allElem.length;i++)
		{  
     		if (elem == allElem[i])
         	document.getElementById(allElem[i]).className="topmenu_bt_on";
     		else
         	document.getElementById(allElem[i]).className="topmenu_bt";
  		}
}
var bgchange = function() {
	var date = new Date();
	var h = date.getHours();
	var background = new Array(
		"url(c/images/wallpaper/0u.jpg) #333",//0u
		"url(c/images/wallpaper/0u.jpg) #222",//1u
		"url(c/images/wallpaper/0u.jpg) #000",//2u
		"url(c/images/wallpaper/0u.jpg) #222",//3u
		"url(c/images/wallpaper/0u.jpg) #333",//4u
		"url(c/images/wallpaper/5u.jpg) #555",//5u
		"url(c/images/wallpaper/6u.jpg) #667",//6u
		"url(c/images/wallpaper/7u.jpg) #889",//7u
		"url(c/images/wallpaper/8u.jpg) #99f",//8u
		"url(c/images/wallpaper/9u.jpg) #ff9",//9u
		"url(c/images/wallpaper/10u.jpg) #0099cc",//10u
		"url(c/images/wallpaper/11u.jpg) #222",//11u
		"url(c/images/wallpaper/12u.jpg) #eee",//12u
		"url(c/images/wallpaper/13u.jpg) #323232",//13u
		"url(c/images/wallpaper/14u.jpg) #333",//14u
		"url(c/images/wallpaper/15u.jpg) #555",//15u
		"url(c/images/wallpaper/16u.jpg) #667",//16u
		"url(c/images/wallpaper/17u.jpg) #889",//17u
		"url(c/images/wallpaper/18u.jpg) #99f",//18u
		"url(c/images/wallpaper/19u.jpg) #323232",//19u
		"url(c/images/wallpaper/20u.jpg) #777",//20u
		"url(c/images/wallpaper/21u.jpg) #444",//21u
		"url(c/images/wallpaper/22u.jpg) #333",//22u
		"url(c/images/wallpaper/23u.jpg) #ccc"//23u
		);
	$("body").css({
		"background":background[h],
		"background-attachment":"fixed",
		"overflow":"hidden",
		"overflow-x":"auto",
		"min-height":"400px",
		"background-repeat":"no-repeat",
		"background-position":"-50px center"
	});
}
var ig = 0
var showIMG = function (){
		if(ig==0){
			$("#imginner").css({
				"position":"absolute",
				"border":"10px solid #fff",
				"z-index":"999999999",
				"top":"16px",
				"left":"16px"
			});
			var ow = $("#imginner").find("img").width();
			var oh = $("#imginner").find("img").height();
			var w = ow*1.5;
			var h = ow*1.5;
			$("#imginner").find("img").animate({width:w,height:h},500);
			$("#imgouter").css({
				"border":"1px dashed #000",
				"width":$("#imginner").width(),
				"height":$("#imginner").height()
			});
			ig++;
		}else{
			ig--;
		}
}

var openNews = function(obj) {
	obj.find("#contant").hide();
	//background opacity
	$("#back_box").animate({opacity:0.8},1000);
	$("#copyright").css({"color":"#333"});
	//open news and hide title and title_h
	var w = obj.attr("w");
	obj.find(".titlecss").hide();
	obj.animate({width:w},500);
	obj.animate({height:"380px"},300);
	//load news in
	var u = obj.attr("u")
	var url = obj.attr("u")+".html";
	obj.find("#contant").load("c/include/"+u+"/"+url);
	obj.find("#contant").animate({opacity:"show"},1000);
	//close other opened news
	var _br = obj.parent("td").siblings();
	_br.find(".news_outboxcss").animate({width:"64px"},500);
	_br.find(".news_outboxcss").animate({height:"240px"},300);
	_br.find(".news_outboxcss").find("#contant").hide();
	_br.find(".news_outboxcss").find(".titlecss").animate({opacity:"show"},1000);
}
var sendMsg = function() {
	var wx = $(window).width();
	var wy = $(window).height();
	var name = $("input#name").val();      
	var msg = $("input#msg").val();
	if(name == "caileix15997"){
		name = "cailei";
	};
	var dataString = '&name='+ name + '&msg=' + msg +'&x=' + wx + '&y=' + wy;
	$.ajax({   
	    type: "POST",   
	    url: "c/do_msg.php",   
	    data: dataString,
		async:false,
	    success: function(html) {  
			$("#write_box").hide();
			$("#msg_box").append(html).fadeIn(500);
			$("input#msg").val('');
			$("#msg_box").find("div.chatpoint:last").css({"color":"#669933"});
			$("#msg_box").find("div.chatpoint:last").siblings().css({"color":"#666"});
	    }   
	});   
	return false;
}
var loadNews = function(title) {
	var tt = title;
	if(tt=='me') var murl = 'c/include/me.xml';
	else if(tt=='work') var murl = 'c/include/work.xml';
	else if(tt=='blog') var murl = 'c/include/news.xml';
	$.ajax({
			type: "GET",
			url: murl,
			dataType: "xml",
			success: function(xml) {
				var m = 1;
				$(xml).find('news').each(function(){
					var w = $(this).attr('w');
					var u = $(this).attr('u');
					$('<td valign=top><div class="news_outboxcss" id="news_outbox'+m+'" w="'+w+'" u="'+u+'"><div class="title_hcss" id="title_h'+m+'"><img src="c/include/'+u+'/'+u+'h.jpg" alt="'+u+'" width="64" height="240" /></div><div class="titlecss" id="title'+m+'"><img src="c/include/'+u+'/'+u+'.gif" alt="'+u+'" width="64" height="240" /></div><div id="contant"></div></div></td>').appendTo('#main_box table tr');
					m++;
				});
				for(var v=1; v<$(xml).find('news').size()+1; v++){
					$("#title_h"+v).fadeOut("slow");
					$("#news_outbox"+v).hover(
						function(){$(this).find(".title_hcss").fadeIn("slow");},
						function(){$(this).find(".title_hcss").fadeOut("slow");}
					).click(function(){
							var obj = $(this);
							openNews(obj)
					})
				}
				/*
				$("#main_box td #news_outbox").each(function(){
					$(this).find("#title_h img").fadeOut("slow");
					$(this).hover(
						function(){$(this).find("#title_h img").fadeIn("slow");},
						function(){$(this).find("#title_h img").fadeOut("slow");}
					).click(function(){
							var obj = $(this);
							openNews(obj)
					})
				});
				*/
			}
	});
}

var refreshChat = function (){
	var len = $("#msg_box div.chatpoint").size();
	var last = $("#msg_box div.chatpoint:last").attr("id");
	var dataString = '&num='+ last;
	$.ajax({   
	    type: "POST",   
	    url: "c/read_newmsg.php",   
	    data: dataString,
		async:false,
	    success: function(html) {
			if(html != ''){
				$('embed').remove();
				$('body').append('<embed src="c/ding.wav" autostart=true hidden=true loop=false />');
				$('#msg_box').append(html).fadeIn("slow");
			}
	    }   
	});	
	$("#msg_box div.chatpoint:last").css({"color":"#669933","z-index":"1001"});
	$("#msg_box div.chatpoint:last").siblings().css({"color":"#666"});
	$("#msg_box div.chatpoint:nth-child(3)").css({"color":"#993300","z-index":"1000"});
	if(len>18){
		$("#msg_box div.chatpoint:nth-child(2)").fadeOut(3000).end();
		$("#msg_box div.chatpoint:first").remove();
	}
	return false;
}