/* XMLHTTP状态显示字符 */
var xml_http_building_link = '正在初始化，请稍候...';
var xml_http_sending = '发送命令，请稍候...';
var xml_http_loading = '加载数据，请稍候...';
var xml_http_data_in_processed = '处理数据，请稍候...';
var xml_http_load_failed = '服务器响应错,错误代码:[err:errcode]';

/* 浏览器判断 */
var userAgent = navigator.userAgent.toLowerCase();
var is_webtv = userAgent.indexOf('webtv') != -1;
var is_kon = userAgent.indexOf('konqueror') != -1;
var is_mac = userAgent.indexOf('mac') != -1;
var is_saf = userAgent.indexOf('applewebkit') != -1 || navigator.vendor == 'Apple Computer, Inc.';
var is_opera = userAgent.indexOf('opera') != -1 && opera.version();
var is_moz = (navigator.product == 'Gecko' && !is_saf) && userAgent.substr(userAgent.indexOf('firefox') + 8, 3);
var is_ns = userAgent.indexOf('compatible') == -1 && userAgent.indexOf('mozilla') != -1 && !is_opera && !is_webtv && !is_saf;
var is_ie = (userAgent.indexOf('msie') != -1 && !is_opera && !is_saf && !is_webtv) && userAgent.substr(userAgent.indexOf('msie') + 5, 3);

/* 基础函数 */
function $(id) {
	return document.getElementById(id);
}


function in_array(targetstr, sourcearry)
{
    if(typeof sourcearry == 'string')
    {
        for(var i in sourcearry)
        {
            if(sourcearry[i] == targetstr)
            { return true; }
        }
    }
    return false;
}

function add2array(targetarry, newstr)
{
    targetarry[targetarry.length] = newstr;
    return targetarry.length;
}

function del4array(targetarry, newstr)
{
	for(i in targetarry) {
		if(targetarry[i] == newstr) {
			targetarry[i] = null;
		}
	}
	return targetarry;
}

var Ajaxs = new Array();
function AjaxRequest(recvType) {
	CreateWaitElement();
	var ajax = new Object();
	ajax.targetId = waitElement;
	ajax.targetUrl = '';
	ajax.para = '';
	ajax.recvType = recvType ? recvType : 'XML';
	ajax.resultHandle = null;
        ajax.labelname = '';
        ajax.currentpage = '';
        ajax.sourcename = '';
        ajax.total = '';
        ajax.pagesize = '';

	ajax.createXMLHttpRequest = function() {
		var oXmlHttp = false;
		if(window.XMLHttpRequest) {
			oXmlHttp = new XMLHttpRequest();
			if(oXmlHttp.overrideMimeType) {
				oXmlHttp.overrideMimeType('text/xml');
			}
		} else if(window.ActiveXObject) {
			var xmlobjectarry = ["Microsoft.XMLHTTP","MSXML.XMLHTTP","Msxml2.XMLHTTP.7.0","Msxml2.XMLHTTP.6.0","Msxml2.XMLHTTP.5.0","Msxml2.XMLHTTP.4.0","MSXML2.XMLHTTP.3.0","MSXML2.XMLHTTP"];
			for(var i=0; i<xmlobjectarry.length; i++) {
				try {
					oXmlHttp = new ActiveXObject(xmlobjectarry[i]);
					if(oXmlHttp) {
						return oXmlHttpt;
					}
				} catch(oError) {}
			}
		}
		return oXmlHttp;
	}
	ajax.XMLHttpRequest = ajax.createXMLHttpRequest();
	
	ajax.processHandle = function() {
		if(ajax.targetId) {
			//ajax.targetId.style.display = '';
			ajax.targetId.style.visibility = 'visible';
			MoveWaitElement();
		}
		else
		{
			alert("初始化失败。。。");
			}
		if(ajax.XMLHttpRequest.readyState == 1 && ajax.targetId) {
			ajax.targetId.innerHTML = xml_http_building_link;
		} else if(ajax.XMLHttpRequest.readyState == 2 && ajax.targetId) {
			ajax.targetId.innerHTML = xml_http_sending;
		} else if(ajax.XMLHttpRequest.readyState == 3 && ajax.targetId) {
			ajax.targetId.innerHTML = xml_http_loading;
		} else if(ajax.XMLHttpRequest.readyState == 4) {
			
			if(ajax.XMLHttpRequest.status == 200) {
				Ajaxs = del4array(Ajaxs, ajax.targetUrl);				
				if(ajax.recvType == 'HTML') {
					ajax.resultHandle(ajax.XMLHttpRequest.responseText);
				} else if(ajax.recvType == 'XML') {
                                        if(window.XMLHttpRequest)
                                        {
                                            ajax.resultHandle(ajax.XMLHttpRequest.responseText);
                                        }
                                        else
                                        {
					    ajax.resultHandle(ajax.XMLHttpRequest.responseXML);
                                        }
				}
				ajax.targetId.style.visibility = 'hidden';
			} else {
				if(ajax.targetId) {
					ajax.targetId.innerHTML = xml_http_load_failed.replace('[err:errcode]',ajax.XMLHttpRequest.status);
				}
				ajax.targetId.style.visibility = 'hidden';
			}
		}
		
	}

	ajax.createXmlDom = function(xmlstry) {
		var oXmlDom = false;
    	if(document.implementation && document.implementation.createDocument)
    	{
        		oXmlDom = document.implementation.createDocument("", "", null);
    	}
    	else
    	{
        		var aVersions = ["Microsoft.XMLDom","MSXML2.DOMDocument.6.0","MSXML2.DOMDocument.5.0","Msxml2.DOMDocument.4.0","MSXML2.DOMDocument.3.0","MSXML2.DOMDocument"];
        		for (var i = 0; i < aVersions.length; i++) 
        		{
           			try 
           			{
                	    oXmlDom = new ActiveXObject(aVersions[i]);
           				if(oXmlDom)
                		{
				            break;
			            }
           			} 
           			catch (oError) {}
        		}
    	}
    	
    	if(xmlstry != null)
    	{
    	    oXmlDom.async=false;
            if(!is_ie)
            {
                var oParser=new DOMParser();
                oXmlDom = oParser.parseFromString(xmlstry, "text/xml");
            }
            else
            {
                if(is_ie == '7.0')
                {
                    oXmlDom.loadXML(xmlstry);
                }
                else
                {
                    oXmlDom.load(xmlstry);
                }
            }
        }
        
    	return oXmlDom;
	}
	
	ajax.get = function(targetUrl, resultHandle) {
		if(in_array(targetUrl, Ajaxs)) {
			return false;
		} else {
			add2array(Ajaxs, targetUrl);
		}
		ajax.targetUrl = targetUrl;
		ajax.XMLHttpRequest.onreadystatechange = ajax.processHandle;
		ajax.resultHandle = resultHandle;
		if(window.XMLHttpRequest) {
			ajax.XMLHttpRequest.open('GET', ajax.targetUrl);
			ajax.XMLHttpRequest.send(null);
		} else {
	        ajax.XMLHttpRequest.open("GET", targetUrl, true);
	        ajax.XMLHttpRequest.send();
		}
	}

	ajax.post = function(usemethod, targetUrl, resultHandle) {
		if(in_array(targetUrl, Ajaxs)) {
			return false;
		} else {
			add2array(Ajaxs, targetUrl);
		}
		ajax.targetUrl = targetUrl;

        	var xml_dom = ajax.createXmlDom();
        	xml_dom.async = false;

                if(!is_opera) /* opera不需要声明这一段 */
                {
        	    var xmlproperty = xml_dom.createProcessingInstruction("xml","version=\"1.0\" encoding=\"utf-8\"");
        	    xml_dom.appendChild(xmlproperty);
                }

        	var objRoot = xml_dom.createElement("root");

        	var objField = xml_dom.createElement("type");
                var oText = xml_dom.createTextNode(usemethod);
        	objField.appendChild(oText);
        	objRoot.appendChild(objField);
                
                switch (usemethod)
                {
                    case 'updatelabel':
    		    	    objField = xml_dom.createElement("labelname");
                        oText = xml_dom.createTextNode(ajax.labelname);
        	    	    objField.appendChild(oText);
        	    	    objRoot.appendChild(objField);

    		    	    objField = xml_dom.createElement("currentpage");
                        oText = xml_dom.createTextNode(ajax.currentpage);
        	    	    objField.appendChild(oText);
        	    	    objRoot.appendChild(objField);

    			        for(var i=0; i<ajax.para.length; i++) {
                            objField = xml_dom.createElement("attrib");
    				        var objattrib = xml_dom.createElement(ajax.para[i].split('=')[0]);
                            oText = xml_dom.createTextNode(ajax.para[i].split('=')[1]);
                            objattrib.appendChild(oText);
    				        objField.appendChild(objattrib);
                            objRoot.appendChild(objField);        	    		
			            }
                        break;
                    case 'updatepage':
                        objField = xml_dom.createElement("labelname");
                        oText = xml_dom.createTextNode(ajax.labelname);
        	    	    objField.appendChild(oText);
        	    	    objRoot.appendChild(objField);

                        objField = xml_dom.createElement("sourcename");
                        oText = xml_dom.createTextNode(ajax.sourcename);
        	    	    objField.appendChild(oText);
        	    	    objRoot.appendChild(objField);
        	    	        		    	
    		    	    objField = xml_dom.createElement("currentpage");
                        oText = xml_dom.createTextNode(ajax.currentpage);
        	    	    objField.appendChild(oText);
        	    	    objRoot.appendChild(objField);
        	    	
    		    	    objField = xml_dom.createElement("total");
                        oText = xml_dom.createTextNode(ajax.total);
        	    	    objField.appendChild(oText);
        	    	    objRoot.appendChild(objField);

    		    	    objField = xml_dom.createElement("pagesize");
                        oText = xml_dom.createTextNode(ajax.pagesize);
        	    	    objField.appendChild(oText);
        	    	    objRoot.appendChild(objField);
                        break;
                    default:
    			        for(var i=0; i<ajax.para.length; i++) {
    		    		    
                            if(ajax.para[i].indexOf('=')>=0)
                            {
                                objField = xml_dom.createElement(ajax.para[i].split('=')[0]);
                                oText = xml_dom.createTextNode(ajax.para[i].split('=')[1]);
        	    	    		objField.appendChild(oText);
        	    	    		objRoot.appendChild(objField);
                            }
                            else
                            {
                                objField = xml_dom.createElement(ajax.para[i]);
    		    		        if(document.getElementById(ajax.para[i]) != null)
    		    		        {
                    	            oText = xml_dom.createTextNode(document.getElementById(ajax.para[i]).value);
        	    	    		    objField.appendChild(oText);
        	    			    }
        	    			    objRoot.appendChild(objField);
        	    			}
        	    		   
			            }
                        break;
                }
        	xml_dom.appendChild(objRoot);

		ajax.XMLHttpRequest.onreadystatechange = ajax.processHandle;
		ajax.resultHandle = resultHandle;
		ajax.XMLHttpRequest.open('POST', targetUrl);
		ajax.XMLHttpRequest.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
		ajax.XMLHttpRequest.send(xml_dom);
	}
	return ajax;
}
/* 用户登陆部分 */
function showuserlogin(showuserstat) {
    var x = new AjaxRequest('XML',showuserstat);
    x.labelname = '用户登录状态';
    x.pagename = "";
    x.currentpage = 1; 
    x.post('updatelabel', '/ajax.aspx', function(s) {
        var xml = x.createXmlDom(s);
        //$(showuserstat).innerHTML = xml.getElementsByTagName("body")[0].firstChild.data;
		document.getElementById(showuserstat).innerHTML = xml.getElementsByTagName("body")[0].firstChild.data;
    }); 
}

/*用户信息*/
function showuserinfo(showuserstat) {
    var x = new AjaxRequest('XML',showuserstat);
    x.labelname = '用户登录信息';
    x.pagename = "";
    x.currentpage = 1; 
    x.post('updatelabel', '/ajax.aspx', function(s) {
        var xml = x.createXmlDom(s);
        //$(showuserstat).innerHTML = xml.getElementsByTagName("body")[0].firstChild.data;
		document.getElementById(showuserstat).innerHTML = xml.getElementsByTagName("body")[0].firstChild.data;
    }); 
}

/* 重写FireFox下的xmldocument.xml方法(测试用，正式发布时可取消) */
if(is_moz)
{
Node.prototype.__defineGetter__
(
	"xml",
	function()
	{
		return (new XMLSerializer).serializeToString(this);
	}
)
};

/* 改变图片大小 */
function resizepic(thispic)
{
if(thispic.width>550){thispic.height=thispic.height*550/thispic.width;thispic.width=550;} 
}

/* 无级缩放图片大小 */
function bbimg(o)
{
  return true;
}

// wait element 

if (window.addEventListener) {
	window.addEventListener('scroll', MoveWaitElement, false);
	window.addEventListener('resize', MoveWaitElement, false);
}
else if (window.attachEvent) {
	window.attachEvent('onscroll', MoveWaitElement);
	window.attachEvent('onresize', MoveWaitElement);
}
var waitElement;
var scrollX, scrollY = -1;
function MoveWaitElement() {
	var scrollYT, scrollXT;
	if (!waitElement)
		CreateWaitElement();
	if (typeof(window.pageYOffset) == "number") { 
		scrollYT = window.pageYOffset; 
		scrollXT = window.pageXOffset; 
	} 
	else if (document.body && document.documentElement && document.documentElement.scrollTop) { 
		scrollYT = document.documentElement.scrollTop; 
		scrollXT = document.body.scrollLeft;
	}
	else if (document.body && typeof(document.body.scrollTop) == "number") { 
		scrollYT = document.body.scrollTop; 
		scrollXT = document.body.scrollLeft; 
	} 
	if (scrollX != scrollXT || scrollY != scrollYT) {
		scrollX = scrollXT;
		scrollY = scrollYT;
		var width = document.body.clientWidth;
		waitElement.style.top = scrollYT + "px";
		waitElement.style.right = -scrollXT +  "px";
	}
}
function CreateWaitElement() {
    var elem = document.getElementById('__AjaxCall_Wait');
    if (!elem) {
        elem = document.createElement("div");
        elem.id = '__AjaxCall_Wait';
        elem.style.position = 'absolute';
        elem.style.height = 17;
        elem.style.paddingLeft = "3px";
        elem.style.paddingRight = "3px";
        elem.style.fontSize = "11px";
        elem.style.fontFamily = 'Arial, Verdana, Tahoma';
        elem.style.border = "#669922 1px solid";
        elem.style.backgroundColor = "#88bb44";
        elem.style.color = "#ffffff";
        elem.innerHTML = '正在加载，请稍候...';
        elem.style.visibility = 'hidden';
        document.body.insertBefore(elem, document.body.firstChild);
    }
    waitElement = elem;
}
// end wait element

//cookies
function readCookie(name){
	var cookieValue = ""; 
	var search = name + "="; 
	if(document.cookie.length > 0) { 
		offset = document.cookie.indexOf(search); 
		if (offset != -1){ 
			offset += search.length; 
			end = document.cookie.indexOf(";", offset); 
			if (end == -1){
				end = document.cookie.length; 
			}
			cookieValue = decodeURIComponent(document.cookie.substring(offset, end)) 
		} 
	} 
	return cookieValue; 
}

function delCookie(name){
    var exp = new Date();
    exp.setTime(exp.getTime() - 1);
    var cval=readCookie(name);
	if(cval!=null){ 
		document.cookie= name + "="+cval+";path=/;expires="+exp.toGMTString();
	}
}

function setCookie(name, value) { 
	var exp = new Date(); 
	exp.setTime (exp.getTime()+3600000000); 
	document.cookie = name + "=" + encodeURIComponent(value) + "; path=/; expires=" + exp.toGMTString(); 
}
//end cookies

//user read history
function userHistory(){
	if($("userHistory") == undefined) return;	
	//if($("toRootTitle") == undefined) return;	
	setHistory();
}

function hyuserHistory(){
	if($("userHistory") == undefined) return;	
	//if($("toRootTitle") == undefined) return;	
	setHistory();
}

function setHistory(){
	var links = '';
	var content = ('');
	if(readCookie('User_Links')){		
		links = readCookie('User_Links');
	}
	var temp = window.location.pathname + "$$$" + document.title + "xxyyzz";
	
	var isNow = false;
	var linksArray = new Array();
	var arg = links.split('xxyyzz');	
	for(var i=0; i<arg.length; i++){
		if(arg[i] != "null"){
			var a = arg[i].split('$$$');
			if(a[1] != undefined && a[0] != undefined){				
				linksArray[i] = {lk:a[0],va:a[1]};
				if(a[0] == window.location.pathname){
					isNow = true;	
				}	
			}
		}
	}

	if(!isNow){
		links = temp;
		var z = 0;
		for(y in linksArray){
			links += linksArray[y].lk + "$$$" + linksArray[y].va + "xxyyzz";
			z++;
			if(z == 9) break;	
		}
	}

	for(y in linksArray){
		content += ('<li><a href="'+linksArray[y].lk+'#bobolishi">' + linksArray[y].va +'</a></li>');
	}
	
	if(content == ''){
		$('userHistory').getElementsByTagName('ul')[0].innerHTML = ('您没有任何浏览纪录！');	
	} else {
		$('userHistory').getElementsByTagName('ul')[0].innerHTML = content;
	}
	//alert(readCookie('User_Links'));
	setCookie('User_Links', links);
}
//end user read history

//browserobj
var Browser={navi:navigator.userAgent.toLowerCase(),isIE:function(){var A=this;return(A.navi.indexOf("msie")!=-1)&&(A.navi.indexOf("opera")==-1)&&(A.navi.indexOf("omniweb")==-1)},getBody:function(){return(document.compatMode&&document.compatMode!="BackCompat")?document.documentElement:document.body
},getScrollTop:function(){return this.isIE()?this.getBody().scrollTop:window.pageYOffset},getScrollLeft:function(){return this.isIE()?this.getBody().scrollLeft:window.pageXOffset},getAvailableHeight:function(){return this.getBody().offsetHeight>this.getBody().scrollHeight?this.getBody().offsetHeight:this.getBody().scrollHeight},getAvailableWidth:function(){return this.getBody().offsetWidth>this.getBody().scrollWidth?this.getBody().offsetWidth:this.getBody().scrollWidth},getViewWidth:function(){return self.innerWidth||(document.documentElement.clientWidth||document.body.clientWidth)},getViewHeight:function(){return self.innerHeight||(document.documentElement.clientHeight||document.body.clientHeight)},getPointerPositionInDocument:function(C){var B=C;var A=B.pageX||(B.clientX+Browser.getBody().scrollLeft);var D=B.pageY||(B.clientY+Browser.getBody().scrollTop);return{"x":A,"y":D}}};
//end browserobj

//change Color
function changeBgColor (id,tagname,color){
var lilist = document.getElementById(id).getElementsByTagName(tagname);
for(var i=0;i<lilist.length;i++)
{
	lilist[i].onmouseover = function()
	{
		this.style.backgroundColor = color;
	}
	
	lilist[i].onmouseout = function()
	{
		this.style.backgroundColor = "";
	}
}
}
//change style
function addClass(obj, cName) {
	obj.className += " "+cName;
}

function removeClass(obj, cName) {
  if (obj.className==obj.className.replace(" ","-")) {
    obj.className=obj.className.replace(cName, "");
  } else {
    obj.className=obj.className.replace(" "+cName, "");
  }
}
//_blank
function externallinks() { 
 if (!document.getElementsByTagName) return; 
 var anchors = document.getElementsByTagName("a"); 
 for (var i=0; i<anchors.length; i++) { 
   var anchor = anchors[i]; 
   if (anchor.getAttribute("href") && 
       anchor.getAttribute("rel") == "external") 
     anchor.target = "_blank"; 
 } 
} 
window.onload = externallinks;