var default_text = "Subscribe to ReadWriteWeb";

function changeHeaderDesc(text)
{
	descText = document.getElementById('desc_text');
	descText.innerHTML = text;
	return true;
}

function showTab(tab)
{
	var popularTab = document.getElementById('popular-posts');
	var recentTab = document.getElementById('recent-comments');
	
	if(tab == "popular")
	{
		popularTab.className = "active-tab";
		document.getElementById('popular-posts-tab').style.display = "block";
		recentTab.className = "inactive-tab";
		document.getElementById('recent-comments-tab').style.display = "none";
	}
	else
	{
		popularTab.className = "inactive-tab";
		document.getElementById('popular-posts-tab').style.display = "none";
		recentTab.className = "active-tab";
		document.getElementById('recent-comments-tab').style.display = "block";
	}
	
	return true;
}

function clearCommentLabels()
{
    namefield = document.getElementById('comment-author');
    emailfield = document.getElementById('comment-email');
    urlfield = document.getElementById('comment-url');

    if(namefield.value != '')
    {
        namefield.className = 'no_bg';
    }
 
    if(emailfield.value != '')
    {
        emailfield.className = 'no_bg';
    }
  
    if(urlfield.value != '')
    {
        urlfield.className = 'no_bg';
    }
}

// Global Tweetmeme button properties

tweetmeme_source = 'rww';
tweetmeme_service = 'bit.ly';
tweetmeme_service_api = 'readwriteweb:R_0f7693d3b7b30aca4beeb285180aef66';