function showTop() {
  document.getElementById('topDiv').className = 'tab_active';
  document.getElementById('uSubDiv').className = 'tab';  
  
  document.getElementById('topSites').style.display = 'inline';
  document.getElementById('userSubmissions').style.display = 'none';  
}

function showSubmissions() {
  document.getElementById('topDiv').className = 'tab';
  document.getElementById('uSubDiv').className = 'tab_active';  
  
  document.getElementById('topSites').style.display = 'none';
  document.getElementById('userSubmissions').style.display = 'inline';  
}

function readComments(sID,tID) {

  	AjaxRequest.get( {	  
		'url':'../includes/queries/siteComments.cfm?siteID='+sID+'&topicID='+tID+'&plus='+plus+'&minus='+minus
		,'onSuccess':function(req){ 
			document.getElementById('listComments').innerHTML = req.responseText;
			document.getElementById('listComments').style.display = 'inline';
			document.getElementById('listSites').style.display = 'none';
			document.getElementById('textSizer').style.display = 'none';
			document.getElementById('pageTitle').innerHTML = "Most Useful Web Sites: User Comments";			
		}
    	,'timeout':2000
    	,'onTimeout':function(req){ alert('req') }
	}
	); 
	scroll(0,0);
}

function closeComments() {
			document.getElementById('listComments').style.display = 'none';
			document.getElementById('listSites').style.display = '';
			document.getElementById('textSizer').style.display = '';
			document.getElementById('pageTitle').innerHTML = "Most Useful Web Sites";
			scroll(0,0);
}

function getPlusMinus() {
  document.getElementById('plus_comments').src = document.getElementById('plus').src;
  document.getElementById('minus_comments').src = document.getElementById('minus').src;  
}