// 2006-08-25 kalaco



//-----自动调整frame高度-----//
var getFFVersion=navigator.userAgent.substring(navigator.userAgent.indexOf("Firefox")).split("/")[1]
//extra height in px to add to iframe in FireFox 1.0+ browsers
var FFextraHeight=getFFVersion>=0.1? 16 : 0 

function dyniframesize(iframename) {
  var pTar = null;
  if (document.getElementById){
    pTar = document.getElementById(iframename);
  }
  else{
    eval('pTar = ' + iframename + ';');
  }
  if (pTar && !window.opera){
    //begin resizing iframe
    pTar.style.display="block"
    
    if (pTar.contentDocument && pTar.contentDocument.body.offsetHeight){
      //ns6 syntax
      pTar.height = pTar.contentDocument.body.offsetHeight+FFextraHeight; 
    }
    else if (pTar.Document && pTar.Document.body.scrollHeight){
      //ie5+ syntax
      pTar.height = pTar.Document.body.scrollHeight;
    }
  }
}

//blog
function goUrl(varUrl)
{
    if(varUrl=="") return;
    var frame_main=document.getElementById("frame_main");
    frame_main.src=varUrl; 
}

function sel_all(ck_item)
{
    var all_ck_item=document.all[ck_item+"_all"];
    var ary_item=document.all[ck_item];
    if(ary_item==null) return;
    if(ary_item.length>1)
    {    
        for(var i=0;i<ary_item.length;i++)
        {
            if(all_ck_item.checked==true && ary_item[i].disabled==false)
            {
                ary_item[i].checked=true;
            }
            else
            {
                ary_item[i].checked=false;
            }        
        }  
    }
    else
    {
        ary_item.checked=all_ck_item.checked;
    }
}
function IsExec(ck_item)
{
    var IsSel=false;
    var ary_item=document.all[ck_item];
    if(ary_item==null)
    {
        alert("没有任何记录！"); 
        return false;
    }
    if(ary_item.length>1)
    {
        for(var i=0;i<ary_item.length;i++)
        {
            if(ary_item[i].checked==true)
            {
                IsSel=true;
                break;
            }
        }
    }
    else
    {
        if(ary_item.checked==true)
        {
            IsSel=true;
        }
    }
    if(IsSel==true)
    {
        return confirm("执行此操作后可能无法恢复！你确定吗？");
    }
    else
    {
        alert("没有选择任何记录！"); 
        return false;
    }
}

function goToSearch()
{
     var public_keyword = document.getElementById("public_keyword");
     var public_select_type = document.getElementById("public_select_type");
     var arrUrl = new Array(4);   
     arrUrl[0]="/trade/sell.aspx?action=search&keyword=";
     arrUrl[1]="/trade/buy.aspx?action=search&keyword=";
     arrUrl[2]="/product/list.aspx?action=search&keyword=";
     arrUrl[3]="/member/list.aspx?action=search&keyword=";
     var myType=public_select_type.value;
     var myKW=public_keyword.value;
     if(myKW=="")
     {
        alert("请输入关键字！");
        return;
     }
     window.location.href=arrUrl[myType]+escape(myKW);
}

//Show Blog
function showBlog(div_id,obj){
    //var my_div_id=document.getElementById(div_id);
    
	var t_id = div_id;
	var t_num = obj;
		if (t_id.style.display != "none"){
	     t_id.style.display = "none";
	     t_num.className = "div_down";
      }else{
      	t_id.style.display = "";
      	t_num.className = "div_up";
      	}
}
//匿名
 
function user_click()
{
   var ck_username = document.getElementById("ck_username");
   var username = document.getElementById("username");
   
   if(ck_username.checked==true)
   {
        username.value="匿名";
        username.disabled=true;
   }
   else
   {
        username.value="";
        username.disabled=false;
   }
   
}