function check()
{
  var word=document.getElementById("word");
  var c_id=document.getElementById("c_id").value;
		if(word.value=="")
		 {
		  alert("请您输入要搜索的关键词.");
		  word.focus();
		  return false;
		 }
  window.location="jiage.asp?c_id="+ c_id +"&word=" + word.value;
}
function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}
function check_info(num)
{
if(num ==1)
   {
	 var path="../";
   }else{
	 var path=""
   }
var s_city=document.getElementById("s_citya");
var e_city=document.getElementById("e_citya");
if(s_city.value=="gn")
  {
	  alert('请您选择起运地.');
	  s_city.focus();
	  return false;
  }
if(e_city.value=="gw")
  {
	  alert('请您选择目的地.');
	  e_city.focus();
	  return false;
  }
location.href=""+ path +"jiage.asp?s_city=" + s_city.value + "&e_city=" + e_city.value;
}
function check_p(num)
{
if(num ==1)
   {
	 var path="../";
   }else{
	 var path=""
   }
var s_city=document.getElementById("s_cityb");
var e_city=document.getElementById("e_cityb");
if(s_city.value=="gn")
  {
	  alert('请您选择起运地.');
	  s_city.focus();
	  return false;
  }
if(e_city.value=="gw")
  {
	  alert('请您选择目的地.');
	  e_city.focus();
	  return false;
  }
window.location=""+ path +"jiage.asp?s_city=" + s_city.value + "&e_city=" + e_city.value;
}
function ch_h(num)
{
var n=document.getElementById("n" + num).innerHTML;
var w=document.getElementById("w" + num).innerHTML;
  while(n.indexOf("s_city")>0)
        {
          n=n.replace("s_city","e_city");
		 }
  n=n.replace("请您选择起运地","请您选择目的地");
  n=n.replace("gn","gw");
  while(w.indexOf("e_city")>0)
        {
          w=w.replace("e_city","s_city");
		}
  w=w.replace("请您选择目的地","请您选择起运地");
  w=w.replace("gw","gn");
document.getElementById("n" + num).innerHTML=w;
document.getElementById("w" + num).innerHTML=n;
document.getElementById("s_city" + num).options[0].selected=true;
document.getElementById("e_city" + num).options[0].selected=true;
}
function show_info(num)
{
  if(num == 1)
  {
   document.getElementById("s_info").style.display='';
   document.getElementById("c").innerHTML="<a href=\"javascript:show_info(2)\">关闭发布人详细信息</a>"
  }else{
   document.getElementById("s_info").style.display='none';
   document.getElementById("c").innerHTML="<a href=\"javascript:show_info(1)\">查看发布人详细信息</a>"
  }
}