/* Toggle News */

var articlesvisible=0;
function toggle_articles()
{
	
	if(articlesvisible==0)
	{
		smoothHeight('personalise_articles',0,72,5, 'o')
		articlesvisible=1;
	} else
	{
		smoothHeight('personalise_articles',72,0,5, 'o')
		articlesvisible=0;
	}
	
}

function display_articles()
{

	ajax.open("GET", '/ajax/articles.frontpage.php?articles=' + articles, true);
	ajax.onreadystatechange = articles_updateresponse;
	ajax.send(null);
}

function articles_updateresponse()
{
	 if (ajax.readyState == 4)
	 {
	 	document.getElementById('articles').innerHTML=ajax.responseText;	
	 	articles=document.getElementById('articles_new').value;  	
	 }
}

function more_articles()
{
	articles++;
	if(articles>6) articles=6;
	setCookie('articles',articles,90)
	display_articles();
}

function less_articles()
{
	articles--;
	if(articles<0) articles=0;
	setCookie('articles',articles,90)
	display_articles();
}

function save_articles()
{
	smoothHeight('personalise_articles',72,0,5, 'o')
	articlesvisible=0;
	
	for(var x=0; x<channels.length; x++)
	{		
		if(document.getElementById('articles_channel_' + channels[x]).checked)
		{
			setCookie('articles_channel_' + channels[x],'yes',90)
		} else
		{
			setCookie('articles_channel_' + channels[x],'',90)
		}
	}
	
	display_articles();
}

function popup_article(id)
{
	popup_startupdate('/ajax/popup_articles.php?id=' +id);
	setVisible('popup');
}