/*
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 
Licensed under a Creative Commons Attribution 3.0 License.
http://creativecommons.org/licenses/by/3.0/
See readme.txt for full credit details.
--------------------------------------------------------- */

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', '/modules/productrating/rating/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);