/*
Page:           rating.js
Created:        Aug 2006
Last Mod:       Mar 11 2007
Handles actions and requests for rating bars.     
--------------------------------------------------------- 
ryan masuga, masugadesign.com
ryan@masugadesign.com 
--------------------------------------------------------- */

var xmlhttp
     /*@cc_on @*/
     /*@if (@_jscript_version >= 5)
       try {
       xmlhttp=new ActiveXObject("Msxml2.XMLHTTP")
      } catch (e) {
       try {
         xmlhttp=new ActiveXObject("Microsoft.XMLHTTP")
       } catch (E) {
        xmlhttp=false
       }
      }
     @else
      xmlhttp=false
     @end @*/
     if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
      try {
       xmlhttp = new XMLHttpRequest();
      } catch (e) {
       xmlhttp=false
      }
     }
     function myXMLHttpRequest() {
       var xmlhttplocal;
       try {
         xmlhttplocal= new ActiveXObject("Msxml2.XMLHTTP")
      } catch (e) {
       try {
         xmlhttplocal= new ActiveXObject("Microsoft.XMLHTTP")
       } catch (E) {
         xmlhttplocal=false;
       }
      }

     if (!xmlhttplocal && typeof XMLHttpRequest!='undefined') {
      try {
       var xmlhttplocal = new XMLHttpRequest();
      } catch (e) {
       var xmlhttplocal=false;
       alert('couldn\'t create xmlhttp object');
      }
     }
     return(xmlhttplocal);
}

function sndReq(vote,id_num,ip_num,units) {
     var theUL = document.getElementById('unit_ul'+id_num); // the UL
     
     // switch UL with a loading div
     theUL.innerHTML = '<div class="loading"></div>';
     
    xmlhttp.open('get', 'inc/ratings/rpc.php?j='+vote+'&q='+id_num+'&t='+ip_num+'&c='+units);
    xmlhttp.onreadystatechange = handleResponse;
    xmlhttp.send(null);  
}

function handleResponse() {
  if(xmlhttp.readyState == 4){
          if (xmlhttp.status == 200){
          
        var response = xmlhttp.responseText;
        var update = new Array();

        if(response.indexOf('|') != -1) {
            update = response.split('|');
            changeText(update[0], update[1]);
        }
          }
    }
}

function changeText( div2show, text ) {
    // Detect Browser
    var IE = (document.all) ? 1 : 0;
    var DOM = 0; 
    if (parseInt(navigator.appVersion) >=5) {DOM=1};

    // Grab the content from the requested "div" and show it in the "container"
    if (DOM) {
        var viewer = document.getElementById(div2show);
        viewer.innerHTML = text;
    }  else if(IE) {
        document.all[div2show].innerHTML = text;
    }
}

/* =============================================================== */
var ratingAction = {
          'a.rater' : function(element){
               element.onclick = function(){

               var parameterString = this.href.replace(/.*\?(.*)/, "$1"); // onclick="sndReq('j=1&q=2&t=127.0.0.1&c=5');
               var parameterTokens = parameterString.split("&"); // onclick="sndReq('j=1,q=2,t=127.0.0.1,c=5');
               var parameterList = new Array();

               for (j = 0; j < parameterTokens.length; j++) {
                    var parameterName = parameterTokens[j].replace(/(.*)=.*/, "$1"); // j
                    var parameterValue = parameterTokens[j].replace(/.*=(.*)/, "$1"); // 1
                    parameterList[parameterName] = parameterValue;
               }
               var theratingID = parameterList['q'];
               var theVote = parameterList['j'];
               var theuserIP = parameterList['t'];
               var theunits = parameterList['c'];
               
               //for testing  alert('sndReq('+theVote+','+theratingID+','+theuserIP+','+theunits+')'); return false;
               sndReq(theVote,theratingID,theuserIP,theunits); return false;         
               }
          }
          
     };
Behaviour.register(ratingAction);