/*
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

	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,units,rtype) {
	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', 'http://'+document.domain+'/rating_system/rpc.php?j='+vote+'&q='+id_num+'&c='+units+'&rtype='+rtype);
    xmlhttp.onreadystatechange = handleResponse;
    xmlhttp.send(null);	
}

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

//TEST alert(response);

        if(response.indexOf('|') != -1) {
        update = response.split('|');

        //changeText(update[0], update[1]);

//TEST alert(update[0]);
//TEST alert(update[1]);

	var viewer = document.getElementById(update[0]);
	viewer.innerHTML = 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&rtype=layouts');
			var parameterTokens = parameterString.split("&"); // onclick="sndReq('j=1,q=2,t=127.0.0.1,c=5,rtype=layouts');
			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 theunits = parameterList['c'];
			var rtype = parameterList['rtype'];
			
			//alert('sndReq('+theVote+','+theratingID+','+theunits+', '+rtype+')'); return false;
			sndReq(theVote,theratingID,theunits, rtype); return false;		
			}
		}
		
	};
Behaviour.register(ratingAction);

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