/*
Page:           rating.js
Created:        Aug 2006
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, cId)
{
	var theUL = document.getElementById('unit_ul' + cId);

	// switch UL with a loading div
	theUL.innerHTML = '<div class="loading"></div>';
	xmlhttp.open('get', 'http://www.ncbeaches.com/rating_vote.asp?action=vote&star=' + vote + '&cId=' + cId + '&rnd=' + Math.random() * 4);
	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 )
{
    var IE = (document.all) ? 1 : 0;
    var DOM = 0; 
    if (parseInt(navigator.appVersion) >=5) {DOM=1};
    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");
			var parameterTokens = parameterString.split("&");
			var parameterList = new Array();

			for (j = 0; j < parameterTokens.length; j++)
			{
				var parameterName = parameterTokens[j].replace(/(.*)=.*/, "$1");
				var parameterValue = parameterTokens[j].replace(/.*=(.*)/, "$1");
				parameterList[parameterName] = parameterValue;
			}
			var cId = parameterList['cId'];
			var iVote = parameterList['star'];

			//alert('sndReq(' + iVote + ',' + cId + ')'); return false;
			sndReq(iVote, cId); return false;		
		}
	}
};
Behaviour.register(ratingAction);