// Keren Yu created Mar 7, 2010
// Keren Yu modified Apr 8, 2010
//          added checkbox array

   var http_request = false;
   function makeRequest(url, parameters) {
      http_request = false;
      if (window.XMLHttpRequest) { // Mozilla, Safari,...
         http_request = new XMLHttpRequest();
         if (http_request.overrideMimeType) {
         	// set type accordingly to anticipated content type
            //http_request.overrideMimeType('text/xml');
            http_request.overrideMimeType('text/html');
         }
      } else if (window.ActiveXObject) { // IE
         try {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
         } catch (e) {
            try {
               http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
         }
      }
      if (!http_request) {
         alert('Cannot create XMLHTTP instance');
         return false;
      }
      http_request.onreadystatechange = alertContents;
      http_request.open('GET', url + parameters, true);
      http_request.send(null);
   }

   function alertContents() {
      if (http_request.readyState == 4) {
         if (http_request.status == 200) {
            //alert(http_request.responseText);
            result = http_request.responseText.split(",");
            createCookie("premiums", result, 1);
            for (i=0; i<document.getElementsByTagName("tt").length; i++) {
              document.getElementsByTagName("tt")[i].innerHTML = result[i];
            }            

         } else {
            alert('There was a problem with the request.');
         }
      }
   }
   
   function get(obj) {
      var getstr = "?";
      var grandChildObj;
      var childObj;
      var sel;

      childObj = obj.getElementsByTagName("input");
      chechbox_number = 0;
      chechbox_name = "";
      for (i=0; i<childObj.length; i++) {
            grandChildObj = childObj[i];
            
            if (grandChildObj.type == "text") {
              getstr += grandChildObj.name + "=" + grandChildObj.value + "&";
              createCookie(grandChildObj.name, grandChildObj.value, 1);
            }
            
            if (grandChildObj.type == "checkbox") {
              if (chechbox_name != grandChildObj.name) {
                chechbox_name = grandChildObj.name;
                chechbox_number = 0;
              } else {
                chechbox_number++;
              }
              if (grandChildObj.checked) {
                  getstr += grandChildObj.name + "=" + grandChildObj.value + "&";
                  createCookie(grandChildObj.name + chechbox_number, grandChildObj.value, 1);
              } else {
                  getstr += grandChildObj.name + "=off&";
                  createCookie(grandChildObj.name + chechbox_number, "off", 1);
              }
            }
            
            if (grandChildObj.type == "radio") {
              if (grandChildObj.checked) {
                  getstr += grandChildObj.name + "=" + grandChildObj.value + "&";
                  createCookie(grandChildObj.name, grandChildObj.value, 1);
              }
        }  
      }
      
      childObj = obj.getElementsByTagName("select");
      for (i=0; i<childObj.length; i++) {
            sel = childObj[i];
            getstr += sel.name + "=" + sel.options[sel.selectedIndex].value + "&";
            createCookie(sel.name, sel.options[sel.selectedIndex].value, 1);
      }
      
      makeRequest('/manu/get.php', getstr);
   }