/*******************************************************************************
	AUTHOR:		Timothy Higgins
	CONTACT:	timothymichaelhiggins@gmail.com
	
	index.php functions.
*******************************************************************************/

	/***************************************************************************
		Advance to the next promotion.
	***************************************************************************/
	function nextArticle(){
		if(i+1==featured.length)
			i=0;
		else
			i++
		openArticle(i);
	}
	
	/***************************************************************************
		Open the specified article.
	***************************************************************************/
	function openArticle(i){
		if(!(0<=i&&i<featured.length))
			return false;
			
		for(var j=0;j<document.getElementsByTagName("*").length;j++){
			if(document.getElementsByTagName("*")[j].id.indexOf("number_")==0)
				document.getElementsByTagName("*")[j].className="number";	
		}
		document.getElementById("link").href="article.php?id="+featured[i][0];
		document.getElementById("number_"+i).className="s";
		document.getElementById("preview").style.backgroundImage="url('"+featured[i][2]+"')";
		document.getElementById("title").innerHTML=featured[i][1];
		this.i=i;
	}