// JavaScript Document
var current;

if(document.addEventListener){
window.addEventListener('load',shownav,false);
window.addEventListener('load',showmenu_cat,false);
window.addEventListener('load',show_top,false);

}else{
window.attachEvent('onload',shownav);
window.attachEvent('onload',showmenu_cat);
window.attachEvent('onload',show_top);
}


function shownav(){
var obj=document.getElementById("menu").getElementsByTagName("img")
//alert(obj.length);
for (var i=0,j=obj.length;i<j;i++){
	
		
	obj[i].onmouseover=function(){
		
		
		
		showMenu(this);
		}
	//showMenu(obj[0]);
	
	obj[i].onmouseout=function(){
		closeMenu(this);
		
		}
		
}
}
function showmenu_cat(){
var obj=document.getElementById("menu_cat").getElementsByTagName("img")
//alert(obj.length);
for (var i=0,j=obj.length;i<j;i++){
	
		
	obj[i].onmouseover=function(){
		
		
		
		showMenu(this);
		}
	//showMenu(obj[0]);
	
	obj[i].onmouseout=function(){
		closeMenu(this);
		
		}
		
}
}

function show_top(){
var obj=document.getElementById("topArea").getElementsByTagName("img")
//alert(obj.length);
for (var i=0,j=obj.length;i<j;i++){
	
		
	obj[i].onmouseover=function(){
		
		
		
		showMenu(this);
		}
	//showMenu(obj[0]);
	
	obj[i].onmouseout=function(){
		closeMenu(this);
		
		}
		
}
}

function showMenu(o){ 


o.src="images/"+o.id+"_on.jpg";
}
function closeMenu(o){

if(o.id!=current){
o.src="images/"+o.id+"_off.jpg";
}

}
function setMenuUp(o){ 
current=o;
var obj=document.getElementById("menu").getElementsByTagName("img")
//alert(obj.length);
for (var i=0,j=obj.length;i<j;i++){
	//alert(obj[i]);
		closeMenu(obj[i]);
		
}
showMenu(o);

}


function showMenuInti(o){ 

var o=document.getElementById(""+o)

o.src="images/"+o.id+"_on.jpg";
}



function closediv(o){


o.style.display="none";
}


function createXMLHttp()
{ 
	var xmlHttp;
	if(window.XMLHttpRequest)
	{ // Mozilla 浏览器 
	xmlHttp = new XMLHttpRequest(); 
	}
	else if (window.ActiveXObject)
	{ // IE 浏览器 
		try
		{ 
		xmlHttp = new ActiveXObject("Msxml2.XMLHTTP"); 
		}catch(e)
			{ 
			try{ 
				xmlHttp = new ActiveXObject("Microsoft.XMLHTTP"); 
				}catch(e){} 
			}
	} 
	return xmlHttp;
} 

// 以跨浏览器的形式创建XMLHttpClient的函数

 function initXMLHttpClient() {

      var xmlhttp;

      try {

            // Mozilla / Safari / IE7

             xmlhttp = new XMLHttpRequest();

      } catch (e) {

            // IE

            var XMLHTTP_IDS = new Array('MSXML2.XMLHTTP.5.0',

                                            'MSXML2.XMLHTTP.4.0',

                                            'MSXML2.XMLHTTP.3.0',

                                            'MSXML2.XMLHTTP',

                                            'Microsoft.XMLHTTP' );

       var success = false;

       for (var i=0;i < XMLHTTP_IDS.length && !success; i++) {

         try {

            xmlhttp = new ActiveXObject(XMLHTTP_IDS[i]);

             success = true;

          } catch (e) {}

      }

      if (!success) {

        throw new Error('Unable to create XMLHttpRequest.');

     }

  }

  return xmlhttp;

}

curtimgid=0;
imgid = new Array() ;
imgstr="";
oldtitle="";
function pre_img(){
		
if(curtimgid>0){
curtimgid--;
document.getElementById("viewimg").src="admin/getImgData.php?PicNum="+imgid[curtimgid];
document.getElementById("next").style.display ="";
}
if(curtimgid==0){

document.getElementById("prev").style.display ="none";
}
}
function next_img(){
	
if(curtimgid<imgid.length-1){
curtimgid++;
document.getElementById("viewimg").src="admin/getImgData.php?PicNum="+imgid[curtimgid];
document.getElementById("prev").style.display ="";

}
if(curtimgid==imgid.length-1){
document.getElementById("next").style.display ="none";
}

}

function init11(){
imgid=imgstr.split(",");
//alert(imgid.length);
//alert(imgstr);
document.getElementById("viewimg").src="admin/getImgData.php?PicNum="+imgid[curtimgid];
document.getElementById("prev").style.display ="none";
if(imgid.length<2){
document.getElementById("next").innerHTML ="&nbsp;";
//document.getElementById("next").style.display ="none";
}

}