var userAgent = navigator.userAgent.toLowerCase();
var is_opera = userAgent.indexOf('opera') != -1 && opera.version();
var is_moz = (navigator.product == 'Gecko') && userAgent.substr(userAgent.indexOf('firefox') + 8, 3);
var is_ie = (userAgent.indexOf('msie') != -1 && !is_opera) && userAgent.substr(userAgent.indexOf('msie') + 5, 3);

//IE&FF
var isIE = false;
var isFF = false;
if ((navigator.userAgent.indexOf("MSIE")>0) && (parseInt(navigator.appVersion) >=4)) isIE = true;
if (navigator.userAgent.indexOf("Firefox")>0) isFF = true;

//function $(id){return document.getElementById(id);}

Array.prototype.push = function(value) {
	this[this.length] = value;
	return this.length;
}

function getcookie(name) {
	var cookie_start = document.cookie.indexOf(name);
	var cookie_end = document.cookie.indexOf(";", cookie_start);
	return cookie_start == -1 ? '' : unescape(document.cookie.substring(cookie_start + name.length + 1, (cookie_end > cookie_start ? cookie_end : document.cookie.length)));
}

function setcookie(cookieName, cookieValue, seconds, path, domain, secure) {
	seconds = seconds ? seconds : 8400000;
	var expires = new Date();
	expires.setTime(expires.getTime() + seconds);
	document.cookie = escape(cookieName) + '=' + escape(cookieValue)
		+ (expires ? '; expires=' + expires.toGMTString() : '')
		+ (path ? '; path=' + path : '/')
		+ (domain ? '; domain=' + domain : '')
		+ (secure ? '; secure' : '');
}

function _attachEvent(obj, evt, func) {
	if(obj.addEventListener) {
		obj.addEventListener(evt, func, false);
	} else if(obj.attachEvent) {
		obj.attachEvent("on" + evt, func);
	}
}

function _cancelBubble(e, returnValue) {
	if(!e) return ;
	if(is_ie) {
		if(!returnValue) e.returnValue = false;
		e.cancelBubble = true;
	} else {
		e.stopPropagation();
		if(!returnValue) e.preventDefault();
	}
}

function checkall(name) {
	var e = is_ie ? event : checkall.caller.arguments[0];
	obj = is_ie ? e.srcElement : e.target;
	var arr = document.getElementsByName(name);
	var k = arr.length;
	for(var i=0; i<k; i++) {
		arr[i].checked = obj.checked;
	}
}

function getposition(obj) {
	var r = new Array();
	r['x'] = obj.offsetLeft;
	r['y'] = obj.offsetTop;
	while(obj = obj.offsetParent) {
		r['x'] += obj.offsetLeft;
		r['y'] += obj.offsetTop;
	}
	return r;
}

function addMouseEvent(obj){
	var checkbox,atr,ath,i;
	atr=obj.getElementsByTagName("tr");
	for(i=0;i<atr.length;i++){
		atr[i].onclick=function(){
			ath=this.getElementsByTagName("th");
			checkbox=this.getElementsByTagName("input")[0];
			if(!ath.length && checkbox.getAttribute("type")=="checkbox"){
				if(this.className!="currenttr"){
					this.className="currenttr";
					checkbox.checked=true;
				}else{
					this.className="";
					checkbox.checked=false;
				}
			}
		}
	}
}

// editor.js
if(is_ie) document.documentElement.addBehavior("#default#userdata");

function setdata(key, value){
	if(is_ie){
		document.documentElement.load(key);
		document.documentElement.setAttribute("value", value);
		document.documentElement.save(key);
		return  document.documentElement.getAttribute("value");
	} else {
		sessionStorage.setItem(key,value);
	}
}

function getdata(key){
	if(is_ie){
		document.documentElement.load(key);
		return document.documentElement.getAttribute("value");
	} else {
		return sessionStorage.getItem(key) && sessionStorage.getItem(key).toString().length == 0 ? '' : (sessionStorage.getItem(key) == null ? '' : sessionStorage.getItem(key));
	}
}

function form_option_selected(obj, value) {
	for(var i=0; i<obj.options.length; i++) {
		if(obj.options[i].value == value) {
			obj.options[i].selected = true;
		}
	}
}

function switchcredit(obj, value) {
	var creditsettings = credit[value];
	var s = '<select name="credit' + obj + '">';
	for(var i in creditsettings) {
		s += '<option value="' + creditsettings[i][0] + '">' + creditsettings[i][1] + '</option>';
	}
	s += '</select>';
	$(obj).innerHTML = s;
}

function setselect(selectobj, value) {
	var len = selectobj.options.length;
	for(i = 0;i < len;i++) {
		if(selectobj.options[i].value == value) {
			selectobj.options[i].selected = true;
		}
	}
}

function show(id, display) {
	if(!$(id)) return false;
	if(display == 'auto') {
		$(id).style.display = $(id).style.display == '' ? 'none' : '';
	} else {
		$(id).style.display = display;
	}
}

////////////////////////////////////////////////////////////////////////// 新增功能

// 功能：打开居中窗口
// 调用：onClick="winopen('http://www.yzwind.com', 'yzwind', 400, 200)"
function winopen(url,win,w,h){
	if (w==null) {w=500};
	if (h==null) {h=300};
	var l = (screen.width - w) / 2; 
	var t = (screen.height - h) / 2; 
	var s = 'width=' + w + ', height=' + h + ', top=' + t + ', left=' + l; 
	s += ', toolbar=no, scrollbars=yes, menubar=no, location=no, resizable=no'; 
	window.open(url, win, s); 
}
//打印局部
function PrintPages(printpage){
var headstr = "<html><head><title></title></head><body>";
var footstr = "</body></html>";
var newstr = document.getElementById(printpage).innerHTML;
var oldstr = document.body.innerHTML;
document.body.innerHTML = headstr+newstr+footstr;
window.print(); 
document.body.innerHTML = oldstr;
//return false;
}

function CheckAll(id){
	oElements =document.getElementsByName(""+id+"")
	if (oElements[0].checked){
		for(i=0;i<oElements.length;i++)
		oElements[i].checked=true;
	}
	if (!oElements[0].checked){
		for(i=0;i<oElements.length;i++)
		oElements[i].checked=false;
	}
}

function CheckIsAll(id){
	oElements =document.getElementsByName(""+id+"")
	oElements[0].checked=true;
	for(i=0;i<oElements.length;i++)
	if (!oElements[i].checked)
	oElements[0].checked=false;
}
//切换选项卡(TAB名称,点击的ID,所有选项卡)
function SwitchTab(tabname,order,alltab){
	for(i=1; i<=alltab; i++){
		if(order==i)
		{
			document.getElementById(tabname + "_title_" +i).className = tabname+"_title";
			document.getElementById(tabname + "_main_" +i).className = tabname+"_main";
			//document.getElementById(tabname + "_main_" +i).className += "display_yes";
		}
		else{
			document.getElementById(tabname + "_title_" +i).className = "";
			document.getElementById(tabname + "_main_" +i).className = "display_no";
		}
	}
}