var xmlHttp=createXmlHttp();function getMouseOverEvent(id,index)
{return function()
{for(var i=0;i<5;i++){var link=document.getElementById(id+'_'+(i+1));if(link){link.className=(i<=index?'on':'');}}};}
function getMouseOutEvent(id)
{return function()
{for(var i=1;i<=5;i++){var link=document.getElementById(id+'_'+i);if(link){link.className='';}}}}
function getClickEvent(id,rating,action)
{return function(e)
{e=e||window.event;if(e.preventDefault){e.preventDefault();}else{e.returnValue=false;}
submitRating(id,rating,action);return false;}}
function parseSubmitRating(id)
{if(xmlHttp.readyState==4){try{if(xmlHttp.responseText.length){var ratings=parseXML(xmlHttp.responseText);if(ratings){var el=ratings.getElementsByTagName('rank');if(el&&el.length){var avg=el[0].getElementsByTagName('average');var cnt=el[0].getElementsByTagName('count');var yours=el[0].getElementsByTagName('yours');var valid=el[0].getElementsByTagName('valid');if(avg&&avg.length&&cnt&&cnt.length&&yours&&yours.length&&valid&&valid.length){var articleRank=avg[0].firstChild.nodeValue;var rankCount=cnt[0].firstChild.nodeValue;var yourRank=yours[0].firstChild.nodeValue;var validRank=valid[0].firstChild.nodeValue;if(eval(validRank)==0)
document.getElementById(id+'_text').innerHTML="You have already rated this article";else
setSubmittedRating(id,articleRank,rankCount,yourRank);}}}}else{throw"Invalid response";}}catch(e){var formTitle=document.getElementById(id+'_text');if(formTitle){formTitle.innerHTML='An error occurred. Please try again later.';}}}}
function setSubmittedRating(id,articleRank,rankCount,yourRank)
{var formContainer=document.getElementById(id);var postedContainer=document.getElementById(id+'_post');if(formContainer&&postedContainer){for(var i=1;i<=5;i++){var link=document.getElementById(id+'_post_'+i);if(link){link.className=(i<=yourRank?'on':'');}
var link=document.getElementById(id+'_post_avg_'+i);if(link){link.style.display=(i<=articleRank?'block':'none');}}
var avgSpan=document.getElementById(id+'_post_avg');if(avgSpan){avgSpan.innerHTML=articleRank;}
var cntSpan=document.getElementById(id+'_post_cnt');if(cntSpan){cntSpan.innerHTML='('+rankCount+' rating'+(rankCount==1?'':'s')+')';}
formContainer.style.display='none';postedContainer.style.display='block';}}
function getParseSubmitRating(id)
{return function(){parseSubmitRating(id);}}
function submitRating(id,rating,action)
{var formBody=document.getElementById(id+'_form');var formTitle=document.getElementById(id+'_text');if(formBody){formBody.style.visibility='hidden';}
if(formTitle){formTitle.innerHTML='Submitting vote...';}
xmlHttp.open('POST',action,true);xmlHttp.setRequestHeader('Content-Type','application/x-www-form-urlencoded');xmlHttp.setRequestHeader("charset","UTF-8");xmlHttp.onreadystatechange=getParseSubmitRating(id);xmlHttp.send('rank='+rating);}
function setRankingLinkActions(id,action)
{var container=document.getElementById(id);if(container){if(document.all){container.attachEvent('onmouseout',getMouseOutEvent(id));}else{container.addEventListener('mouseout',getMouseOutEvent(id),false);}
var links=container.getElementsByTagName('LI');for(var i=0;i<links.length;i++)
{if(document.all){links[i].attachEvent('onmouseover',getMouseOverEvent(id,i));links[i].attachEvent('onclick',getClickEvent(id,i+1,action));}else{links[i].addEventListener('mouseover',getMouseOverEvent(id,i),false);links[i].addEventListener('click',getClickEvent(id,i+1,action),false);}}}}