// JScript 文件
//获取对象的方法 
function $get(id) {
    return (document.getElementById) ? document.getElementById(id) : document.all[id] ; 
    } 

//子导航控制
function showNav(nav) {
    var i=1;
    while($get("nav"+i)){
       $get("nav"+i).style.display = "none";
       i++;
    } 
    $get(nav).style.display = "block";
}

//显示隐藏切换
function changeDisplay(eName) {
    var e =$get(eName);
    if (e.style.display=="")
    {
       e.style.display="none";
    }
    else
    {
       e.style.display="";
    }
}
function hide(eName) {
    var e =$get(eName);
       e.style.display="none";
}
function show(eName) {
    var e =$get(eName);
       e.style.display="";
}
//有效无效切换
function changeEnbled(eName){
    var e =$get(eName);
    if (e.disabled == true)
    {
        e.disabled = false;
    }
    else
    {
        e.disabled = true;
    }
}
//全选
function checkAll(form) {
  for (var i=0;i<form.elements.length;i++)
    {
    var e = form.elements[i];
    if (e.type == 'checkbox' && e.name != "checkall" )
       e.checked = form.checkall.checked;
    }
}

//标签设置
   function setTab(panelID,thisTabID) {
   var p = $get(panelID);
   for (var i=0;i<=p.childNodes.length;i++)
      {
         var pChild = p.childNodes[i];
         if (typeof pChild !="undefined" && pChild.id!=thisTabID && pChild.nodeName=="A") {
            pChild.className = "tab";
         }
         else if (typeof pChild !="undefined" && pChild.id==thisTabID && pChild.nodeName=="A"){
            pChild.className = "thisTab";
         }
      }
}
//标签面板联动
   function setPanel(panelID,thisPanelID) {
   var p = $get(panelID);
   for (var i=0;i<=p.childNodes.length;i++)
      {
         var pChild = p.childNodes[i];
         if (typeof pChild !="undefined" && pChild.nodeType == 1 && pChild.id!=thisPanelID) {
            pChild.style.display = "none";
         }
         else if (typeof pChild !="undefined" && pChild.nodeType == 1 && pChild.id==thisPanelID){
            pChild.style.display = "block";
         }
      }
}
/******得到QueryString值******/
function QueryString()
{
    var name,value,i;
    var str=location.href;
    var num=str.indexOf("?")
    str=str.substr(num+1);
    var arrtmp=str.split("&");
    for(i=0;i < arrtmp.length;i++)
    {
        num=arrtmp[i].indexOf("=");
        if(num>0)
        {
            name=arrtmp[i].substring(0,num);
            value=arrtmp[i].substr(num+1);
            this[name]=value;
        }
    }
} 

//悬停变色
function hover(obj,cssClass){ 
if(obj.className != cssClass){ 
obj.oldClass = obj.className; // 暂存原来的class，用于恢复 
obj.className = cssClass; 
}else if(obj.oldClass){ 
obj.className = obj.oldClass; // 暂存原来的class，用于恢复 
} 
} 

//图片尺寸自适应
function imgadapter(obj,width,height)   
{   
  var max_height = height;  //设置最大高度   
  var max_width = width;   //设置最大宽度   
  var real_height = obj.height;   
  var real_width = obj.width;   
  if(obj.height>max_height)   
  {   
    obj.height = max_height;   
    obj.width = Math.round(obj.height*real_width/real_height);   
  }   
  if(obj.width>max_width)   
  {   
    obj.width = max_width;   
    obj.height = Math.round(obj.width*real_height/real_width);   
  }   
} 

//防止重复提交
function delayPost(sid,isec)
{
    changeDisplay(sid);
    changeDisplay("waitPost");
    window.setTimeout('changeDisplay("'+sid+'");changeDisplay("waitPost");',isec * 1000);
}