<!--//

// 基础参数设置

var w3c=(document.getElementById)? true:false;
var agt=navigator.userAgent.toLowerCase();
var ie = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1) && (agt.indexOf("omniweb") == -1));
var ie5=(w3c && ie)? true : false;
var ns6=(w3c && (navigator.appName=="Netscape"))? true: false;
var op8=(navigator.userAgent.toLowerCase().indexOf("opera")==-1)? false:true;

var sRootDir="../";

function Ob(o){
 var o=document.getElementById(o)?document.getElementById(o):o;
 return o;
}
function Hd(o){
 Ob(o).className="hidden";
}
function Sw(o){
 Ob(o).className="show";
}
function ExCls(o,a,b){
 Ob(o).className=Ob(o).className==a?b:a;
}

/*==========================================================================================*/

function htmlSetHome(obj)
{
	obj.style.behavior='url(#default#homepage)';
	obj.setHomePage('http://www.sz5.cn/');	
}

function addthis(){
window.external.AddFavorite('http://www.sz5.cn/', 'SZ5 上网导航') 
}

function doZoom(size){
  document.getElementById('contentzoom').style.fontSize=size+'px';
}

function BoxLogin(){
	var frm = document.frmlogin;
	if(frm.username.value==''||frm.username.value==null)
	{
		frm.username.focus();
		alert('会员用户名必须填写!');
		return;
	}
	if(frm.password.value==''||frm.password.value==null)
	{
		frm.password.focus();
		alert('登录密码必须填写!');
		return;
	}
	frm.submit();
}

//图变互换程序------------------------------------------------------------------------------------------->
function MM_checkPlugin(plgIn, theURL, altURL, autoGo) { //v4.0
  var ok=false; document.MM_returnValue = false;
  with (navigator) if (appName.indexOf('Microsoft')==-1 || (plugins && plugins.length)) {
    ok=(plugins && plugins[plgIn]);
  } else if (appVersion.indexOf('3.1')==-1) { //not Netscape or Win3.1
    if (plgIn.indexOf("Flash")!=-1 && window.MM_flash!=null) ok=window.MM_flash;
    else if (plgIn.indexOf("Director")!=-1 && window.MM_dir!=null) ok=window.MM_dir;
    else ok=autoGo; }
  if (!ok) theURL=altURL; if (theURL) window.location=theURL;
}


function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}


function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}


function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
//End------------------------------------------------------------------------------------------->


//打开小窗口Start----------------------------------------------------------------------------------->
function openWIN(URL, w, h)
{
	var news=window.open(URL, 'OpenName', 'width='+w+', height='+h+', resizable="no",scrollbars=yes');
	news.focus();
}
//End----------------------------------------------------------------------------------------------->

function chgstyle(idname) {
 if(idname){
  if (idname.className == "show") 
     {idname.className = "hide";} // change class    
   else   
	{idname.className="show";}
	return false;
	}
else
	{
		//alert('不是一个对象');
		return true;
	}
}

//同步分类函数----------------------------------------------------------------------------------------------->

function sycClassID(cid,filedname){

	var sel = eval('document.all.' + filedname);
	var curcid = parseInt(cid);
	if(sel) {
		for(var i=0;i<sel.options.length;i++)
			if(curcid==sel.options[i].value)	{
				//alert(sel.options[i].text);
				sel.selectedIndex = i;
				break;
				}
		}
	}


/*=============cookie读些程序 ================*/

function SetCookie(name,value){
     var argv=SetCookie.arguments;
     var argc=SetCookie.arguments.length;
     var expires=(2<argc)?argv[2]:null;
     var path=(3<argc)?argv[3]:null;
     var domain=(4<argc)?argv[4]:null;
     var secure=(5<argc)?argv[5]:false;
     document.cookie=name+"="+escape(value)+((expires==null)?"":("; expires="+expires.toGMTString()))+((path==null)?"":("; path="+path))+((domain==null)?"":("; domain="+domain))+((secure==true)?"; secure":"");
} 

function GetCookie(Name) {
 var search = Name + "=";
 var returnvalue = "";
 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;
   returnvalue=unescape(document.cookie.substring(offset,end));
  }
 }
 return returnvalue;
}

function GetSubCookie(Name, CookieValue) {
 var search = Name + "=";
 var returnvalue = "";
 if (CookieValue.length > 0) {
  offset = CookieValue.indexOf(search);
  if (offset != -1) {      
   offset += search.length;
   end = CookieValue.indexOf("&", offset);                        
   if (end == -1)
   end = CookieValue.length;
   returnvalue=unescape(CookieValue.substring(offset,end));
  }
 }
 return returnvalue;
}

/*===============设置连接属性===============*/

function LTrim(str){
var whitespace = new String(" \t\n\r");
var s = new String(str);
if (whitespace.indexOf(s.charAt(0)) != -1){
var j=0, i = s.length;
while (j < i && whitespace.indexOf(s.charAt(j)) != -1){
	j++;
}
s = s.substring(j, i);
}
return s;
}

function RTrim(str){
var whitespace = new String(" \t\n\r");
var s = new String(str);
if (whitespace.indexOf(s.charAt(s.length-1)) != -1){
var i = s.length - 1;
while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1){
i--;
}
s = s.substring(0, i+1);
}
return s;
}

var bTitle = "点此设置，在您点击“网址分类”中的分类项时，&#10;将在新窗口/当前页打开新链接";

function showBase(n) {
    if (n=="" || n==0) {
        Ob("setBase").innerHTML = "<a href='javascript:setBase(1);' title='"+bTitle+"'>　在新窗口打开链接</a>";
    } else {
        Ob("setBase").innerHTML = "<a href='javascript:setBase(0);' title='"+bTitle+"'>　在原窗口打开链接</a>";
    }
}

function setBase(n){
 if (n==0) var tar="_self";
 else var tar="_blank";
 var urls = document.getElementsByTagName("A");
 for(var i=0;i<urls.length;i++){
    var url = urls[i];
    if (!(url.href.indexOf(location.href+"#")==0||url.href.indexOf("javascript:")!=-1))  url.target=tar;
 }
 var expdate=new Date();
 expdate.setTime(expdate.getTime()+(24*60*60*1000*365));
 SetCookie("base_sz5",n,expdate,"/",null,false);
 showBase(n);
}

function getBase() {
    if(GetCookie("base_sz5")=="") {
        setBase(1);
        return;
    }
    var base_sz5 = GetCookie("base_sz5")?GetCookie("base_sz5"):"";
    if (base_sz5==1) 
     setBase(1);
    else
     setBase(0);
    showBase(base_sz5);
}