ajax

function fy_sendvalue(value)//
{
   var url="ajax_query_zhexian.php";
   var postStr="fy="+value;
   var ajax = InitAjax();
   ajax.open("POST", url, true);
   ajax.setRequestHeader("content-length",postStr.length);
 　ajax.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
   ajax.send(postStr);　
　 ajax.onreadystatechange = function() {
　　//如果执行状态成功，那么就把返回信息写到指定的层里　
   　  if ((ajax.readyState == 4) && (ajax.status == 200)) {
                  fy_num_display(ajax.responseText);
                 }
             else{

        }
   }
}

 

function InitAjax()
{
　var ajax=false;
　try {
　　ajax = new ActiveXObject("Msxml2.XMLHTTP");
　} catch (e) {
　　 try {
　　　ajax = new ActiveXObject("Microsoft.XMLHTTP");
　　} catch (E) {
　　　ajax = false;
　　}
　}
　if (!ajax && typeof(XMLHttpRequest) !='undefined') {
　　ajax = new XMLHttpRequest();
　}
　return ajax;
}

 

   $dangci=iconv("utf-8","gb2312",urldecode($_POST["dangci"]));
   $jibie=iconv("utf-8","gb2312",urldecode($_POST["jibie"]));
   $pinzhong=iconv("utf-8","gb2312",urldecode($_POST["pinzhong"]));

 

function search_product(){
 var dangci = document.getElementById("dangci").value;
 var jibie = document.getElementById("jibie").value;
 var pinzhong= document.getElementById("pinzhong").value;
 var pagesize= document.getElementById("pagesize").value;
   if(pagesize==5){
     getstyle(".body_left").height =  '970px';
     getstyle(".body_right").height = '970px';
      }else if(pagesize==10){
     getstyle(".body_left").height = '1850px';
     getstyle(".body_right").height = '1850px';
   }else{
     getstyle(".body_left").height = '2750px';
     getstyle(".body_right").height = '2750px';
   }
 var page=1;  
 getXML(jibie,dangci,pinzhong,pagesize,page);
}
function getXML(jibie,dangci,pinzhong,pagesize,page){
    var ajax = InitAjax();
 var url = "ajax_product.php";
  var poststr = "jibie=" + jibie + "&dangci=" + dangci + "&pinzhong=" + pinzhong + "&pagesize=" + pagesize + "&page=" + page;
 poststr = encodeURI(poststr);
 poststr = encodeURI(poststr);
 ajax.open("POST",url,true);
 ajax.setRequestHeader("content-length",poststr.length);
 ajax.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
 ajax.send(poststr);
 ajax.onreadystatechange = function(){
     if ((ajax.readyState == 4) && (ajax.status == 200)){
      document.getElementById("show_page").parentNode.removeChild(document.getElementById("show_page"));
      document.getElementById("show_product").parentNode.removeChild(document.getElementById("show_product"));
   document.getElementById("product_right_body").innerHTML += ajax.responseText;
  } 
 }
}