function AjaxObj() {
	this.responseText = null;
	var s = document.createElement('div');
	s.style.display = 'none';
	s.innerHTML = '<iframe id="ajaxiframe" name="ajaxiframe" width="0" height="0" src=""></iframe>';
	document.body.appendChild(s);
	this.iframe = s.firstChild;

	this.post = function(url,data) {
		if (typeof data == 'string' && data != '') {
			var f = document.createElement('form');
			f.name	 = 'ajaxform';
			f.target = 'ajaxiframe';
			f.method = 'post';
			f.action = url;
			var ds = data.split("&");
			for (var i = 0; i < ds.length; i++) {
				if (ds[i]) {
					var v	 = ds[i];
					var el	 = document.createElement('input');
					el.type  = 'hidden';
					el.name  = v.substr(0,v.indexOf('='));
					el.value = v.substr(v.indexOf('=')+1);
					f.appendChild(el);
				}
			}
			document.body.appendChild(f);
			f.submit();
			document.body.removeChild(f);
		} else if (typeof data == 'object') {
			data.target = 'ajaxiframe';
			data.submit();
		} else {
			self.ajaxiframe.location = url;
		}
	}
}
function XMLhttp() {
	this.request = null;
	this.recall	 = null;
	this.time    = null;
	this.t       = null;
	this.last	 = 0;
}

XMLhttp.prototype = {

	send : function(url,data,callback) {
		if (this.request == null) {
			this.request = new AjaxObj();
		}
		this.request.responseText = '';

		var nowtime	= new Date().getTime();
		if (nowtime - this.last < 1500) {
			clearTimeout(this.t);
			this.t = setTimeout(function(){ajax.send(url,data,callback)},1500+this.last-nowtime);
			return;
		}
		this.last = nowtime;
		url	+= (url.indexOf("?") >= 0) ? "&nowtime=" + nowtime : "?nowtime=" + nowtime;
		if (typeof verifyhash != 'undefined') {
			url += '&verify=' + verifyhash;
		}
		this.request.post(url,data);
		this.recall = callback;
		if (typeof this.recall == "function") {
			if (this.request.iframe.attachEvent) {
				this.request.iframe.detachEvent('onload',ajax.load);
				this.request.iframe.attachEvent('onload',ajax.load);
			} else {
				this.request.iframe.addEventListener('load',ajax.load,true);
			}
		}
	},

	load : function() {
		if (is_ie) {
			ajax.request.responseText = (typeof ajax.request.iframe.contentWindow.document.XMLDocument != 'undefined') ? ajax.request.iframe.contentWindow.document.XMLDocument.text : null;
			ajax.request.iframe.detachEvent('onload',ajax.load);
		} else {
			ajax.request.responseText = ajax.request.iframe.contentWindow.document.documentElement.firstChild.nodeValue;
			ajax.request.iframe.removeEventListener('load',ajax.load,true);
		}
		ajax.recall();
	},

	XmlDocument : function(obj) {
		return is_ie ? ajax.request.iframe.contentWindow.document.XMLDocument : ajax.request.iframe.contentWindow.document;
	},

	submit : function(obj,recall) {
		if (typeof recall == 'undefined' || typeof recall != 'function') {
			recall = ajax.guide;
		}
		ajax.send(obj.action,obj,recall);
		closep();
	},

	get : function() {
		if (ajax.request.responseText != null && ajax.request.responseText.indexOf('<') != -1) {
			read.setMenu(this.runscript(ajax.request.responseText));
			read.menupz(read.obj);
		} else {
			closep();
			ajax.guide();
		}
	},

	runscript : function (html) {
		if (html.indexOf('<script') == -1) return html;
		html = html.replace(/<script(.*?)>([^\x00]*?)<\/script>/ig, function($1, $2, $3) {
			var id = path = code = '';
			if ($2.match(/\s*id\="([\w\_]+?)"/ig)) {
				id = RegExp.$1;
			}
			if ($2.match(/\s*src\="(.+?)"/ig)) {
				path = RegExp.$1;
			} else {
				code = $3;
			}
			loadjs(path,code,id);
			return '';
		});
		return html;
	},

	guide : function() {
		if (ajax.request.responseText == null) {
			ajax.request.responseText = '您请求的页面出错啦!';
		}
		var rText = ajax.request.responseText.split('\t');
		showDialog('',rText[0],2);
		if (typeof(rText[1]) != 'undefined' && in_array(rText[1],['jump','nextto','reload'])) {
			if (rText[1] == 'jump') {
				setTimeout("window.location.href='"+rText[2]+"';",200);
			} else if (rText[1] == 'nextto') {
				sendmsg(rText[2],rText[3],rText[4]);
			} else if (rText[1] == 'reload') {
				setTimeout("window.location.reload();",200);
			}
		}
	},

	clear : function() {
		if (IsElement('ajax_guide')) document.body.removeChild(getObj('ajax_guide'));
	},

	convert : function(str) {
		if (typeof(str)=='string') {
			return str.replace(/\&/g,'%26');
		}
	},

	quickpost : function(event,obj) {
		if ((event.ctrlKey && event.keyCode == 13) || (event.altKey && event.keyCode == 83)) {
			try{obj.ajaxsubmit.click();}catch(e){}
		}
	}
}

var ajax = new XMLhttp();

function sendmsg(url,data,id) {
	read.obj = (typeof id == 'undefined' || !id) ? null : getObj(id);
	read.guide();
	setTimeout(function(){ajax.send(url,data,ajax.get);},300);
}
function getObj(id) {
	return document.getElementById(id);
}
function ietruebody() {
	if (getObj('upPanel')) {
		return getObj('upPanel');
	}
	return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body;
}
function getTop() {
	return typeof window.pageYOffset != 'undefined' ? window.pageYOffset:ietruebody().scrollTop;
}
function getLeft() {
	return (typeof window.pageXOffset != 'undefined' ? window.pageXOffset:ietruebody().scrollLeft)
}
function IsElement(id) {
	return document.getElementById(id) != null ? true : false;
}
function setCurrent(src,dst,css) {
	var o = null;
	if (IsElement(src)) {
		o = getObj(src);
	} else if (dst && IsElement(dst)) {
		o = getObj(dst);
	}
	if (o) o.className += ' ' + css;
}
function showDialog(type,message,autohide,callback) {
	var container	= elementBind('div','','','width:400px;');
	var title	= elementBind('div','','h b','padding:0 .6em');
	title.innerHTML = '提示';
	container.appendChild(title);
	var inner_div	= addChild(container,'div','','p10 tac','height:100px');
	var p2 = addChild(inner_div,'p','','','margin-top:37px');
	if (type=='error'||type=='success'||type=='warning'||type=='confirm') {
		var img2 = elementBind('img');
		img2.setAttribute('src',imgpath+ '/'+ type +'_bg.gif');
		img2.setAttribute('align','absmiddle');
		p2.appendChild(img2);
	}
	p2.innerHTML += message;

	var tar	= addChild(container,'div','','pdD tar tr2');
	if (type == 'confirm' && typeof(callback) == 'function') {
		var ok	= elementBind('input','','bt');
		ok.type	= 'button';
		ok.value= '确定';
		ok.onclick	= function () {
			closep();
			if (typeof(callback)=='function') {
				callback();
			}
		}
		tar.appendChild(ok);
	}
	
	var cansel	= elementBind('input','','bt','margin-left:8px');
	cansel.type	= 'button';
	cansel.value= '关闭';
	cansel.onclick	= closep;
	tar.appendChild(cansel);
	read.setMenu(container);
	read.menupz();
	if (autohide) {
		window.setTimeout("closep()", (autohide * 1000));
	}
}