// JavaScript Document
function send_request(url){//初始化，指定处理函数，发送请求的函数
    http_request=false;
        //开始初始化XMLHttpRequest对象
        if(window.XMLHttpRequest){//Mozilla浏览器
         http_request=new XMLHttpRequest();
         if(http_request.overrideMimeType){//设置MIME类别
           http_request.overrideMimeType("text/xml");
         }
        }
        else if(window.ActiveXObject){//IE浏览器
         try{
          http_request=new ActiveXObject("Msxml2.XMLHttp");
         }catch(e){
          try{
          http_request=new ActiveXobject("Microsoft.XMLHttp");
          }catch(e){}
         }
    }
        if(!http_request){//异常，创建对象实例失败
         window.alert("创建XMLHttp对象失败！");
         return false;
        }
}
function processrequest(){
   if(http_request.readyState==4){//判断对象状态
     if(http_request.status==200){//信息已成功返回，开始处理信息
   }
         else{//页面不正常
          alert("您所请求的页面不正常！");
         }
   }
}function processrequest1(){
   if(http_request.readyState==4){//判断对象状态
     if(http_request.status==200){//信息已成功返回，开始处理信息
      alert("删除成功!");
   }
         else{//页面不正常
          alert("您所请求的页面不正常！");
         }
   }
}
function processrequest3(){
   if(http_request.readyState==4){//判断对象状态
		if(http_request.status==200){//信息已成功返回，开始处理信息
			v=http_request.responseText;
			alert(v);
		}else{//页面不正常
			alert("请登录后再收藏！");
		}
   }
}

function processrequest2(){
   if(http_request.readyState==4){//判断对象状态
     if(http_request.status==200){//信息已成功返回，开始处理信息
   }
         else{//页面不正常
          alert("您所请求的页面不正常！");
         }
   }
}
function processrequest4(){
   if(http_request.readyState==4){//判断对象状态
     if(http_request.status==200){//信息已成功返回，开始处理信息
      alert("描述修改成功!");
   }
         else{//页面不正常
          alert("您所请求的页面不正常！");
         }
   }
}

 function changeStyle(object){
  document.getElementById(object).className="inputStyle2";
 }
  function changeStyle2(object){
  document.getElementById(object).className="inputStyle2";
  document.getElementById(object).value="";
 }
 function backStyle2(object){
  document.getElementById(object).className="inputStyle1";
  if (document.getElementById(object).value==""){
	   document.getElementById(object).value="点击添加名称";
	  }
 }

 function backStyle(object){
  document.getElementById(object).className="inputStyle1";
 }
 function changeStyle1(object){
  document.getElementById(object).className="textStyle2";
 }
 function backStyle1(object){
  document.getElementById(object).className="textStyle1";
 }
//类别名称修改
 function executeQuery(v,c,sid){
  if(v==""){
    alert("相册名称长度必须在1-30个字符之间");
    document.location.reload();
  }else{
   var queryString="cmd="+c +"&sid="+sid +"&sname="+v;
   send_request();
   http_request.open("POST","ajaxlogin.php",true);
   http_request.onreadystatechange=processrequest;
   http_request.setRequestHeader("Content-Type","application/x-www-form-urlencoded;");
   http_request.send(queryString);
   return true;
  }
 }
//作品类别删除
function checksort(v,c){
   if(v!=''){
	if(confirm("您确认要删除作品？删除作品后将不可恢复！")){
    var queryString="cmd="+c +"&sid="+v;
    send_request();
    http_request.open("POST","ajaxlogin.php",true);
    http_request.onreadystatechange=processrequest1;
    http_request.setRequestHeader("Content-Type","application/x-www-form-urlencoded;");
    http_request.send(queryString);
	document.location.reload();
    return true;
	} 
   }
} 
//更改单张图片名称
function executeTitle(v,c,sid){
  if(v!=""){
   var queryString="cmd="+c +"&sid="+sid +"&sname="+v;
   send_request();
   http_request.open("POST","ajaxlogin.php",true);
   http_request.onreadystatechange=processrequest2;
   http_request.setRequestHeader("Content-Type","application/x-www-form-urlencoded;");
   http_request.send(queryString);
   return true;
  }
 }
 //更改单张图片描述
function executeMs(v,c,sid){
  if(v!=""){
   var queryString="cmd="+c +"&sid="+sid +"&zuopinms="+v;
   send_request();
   http_request.open("POST","ajaxlogin.php",true);
   http_request.onreadystatechange=processrequest4;
   http_request.setRequestHeader("Content-Type","application/x-www-form-urlencoded;");
   http_request.send(queryString);
   return true;
  }
 } 
// 全选
//function selectall(v){
//  var len=document.dianpujbxx.id.length;
//  
//  for (i=0;i<len;i++)
//    document.dianpujbxx.id(i).checked=v;
//    document.dianpujbxx.clickall.checked = v;
//}
//是否选择
//function isselected(){
//  var len=document.dianpujbxx.id.length;
//  for (i=0;i<len;i++)
//    if(document.dianpujbxx.id(i).checked){
//		return true;
//	}
//  return false;
//}
//删除作品
function checkdel(v){
	if(!isSelect()){
	  alert("请选择要删除的作品!");	
	  return false;
	}else{
		if(confirm("确定要删除选中的作品吗！")){
			document.dianpujbxx.cmd.value=v;
			document.dianpujbxx.submit();
			document.location.reload();
		}else{
			return false;
		}

	}
}
//修改作品
function checkedit(v){
	if(!isSelect()){
	  alert("请选择要修改的作品!");	
	  return false;
	}else{
		document.dianpujbxx.cmd.value=v;
		//alert(v);
		document.dianpujbxx.submit();
	}
}
 function changeStylezpzs(object){
  document.getElementById(object).className="inputStyle3";
  document.getElementById(object).value=""
}
function infavorites(){
	dianpu_id=document.getElementById("object_id").value;
	uid=document.getElementById("login_id").value;
	if(dianpu_id!=""){
   		var queryString="cmd=dianpu_favorites&object_id="+dianpu_id+"&uid="+uid;
		//alert(queryString);
  		 send_request();
         http_request.open("POST","ajaxlogin.php",true);
         http_request.onreadystatechange=processrequest3;
  		 http_request.setRequestHeader("Content-Type","application/x-www-form-urlencoded;");
  		 http_request.send(queryString);
  		 return true;
	}
}
function cover(v){
 if(Num()){
		document.dianpujbxx.cmd.value=v;
	//	alert(v);
		document.dianpujbxx.submit();
 }
}
function Num(){
  var   count=0;   
  var   nm=document.getElementsByName("id");   
  if(nm){   
	  for(var   i=0;i<nm.length;i++){   
		  if(nm[i].checked){   
		  count=count+1;   
		  }   
	  }   
  }   
  if(count>1){   
	  alert("只能选择一张图片为封面图片!");   
	  return   false;   
  }else{   
	  return   true;   
  }   
}

function check(field) {
    var t = document.dianpujbxx.clickall;
    if(!document.dianpujbxx.id.length){ 
         if(t.checked){ 
             document.dianpujbxx.id.checked=true; 
         } 
         else{ 
             document.dianpujbxx.id.checked=false;   
         } 
	}
   
    if (t.checked) {
		 for (i = 0; i <field.length; i++) {
			  field[i].checked = true;
		 }
    }else {
		 for (i = 0; i <field.length; i++) {
		  field[i].checked = false; 
		 }
    }
}
function isSelect(){
    field = document.dianpujbxx.id;
    var count = 0;
    if(!document.dianpujbxx.id.length){ 
          if(document.dianpujbxx.id.checked){ 
              count++; 
          } 
     }
    for (i = 0; i <field.length; i++) {
		 if(field[i].checked == true){
			  ++count;
		 }
    }
    if(count>0){
		return true;
	}else {
		 return false;
    }
}