/* globalis aktualis valtozo */
var homeArticleCurrent = 0;


/* kirakja a szamokat, es ra az esemenyeket */
function initHomeBox() {
	if ( artdata.length == 0 )
		return false;
		
	for ( i = 1; i <= artdata.length; i++ ) {
	        $('.hB_Nav').append('<span class="hB_num">' + i + '</span> ');
	}
	
	$('.hB_num').click(function() { setHomeArticle( $( this ).text() - 1 ) })
	$('.hB_prev').click(function() { prevHomeArticle() })
	$('.hB_next').click(function() { nextHomeArticle() })
	
	setHomeArticle( homeArticleCurrent );
}


/* betolti a html-eket es beallitja az aktiv szamot */
function setHomeArticle( current ) {

	// prepare
	var titleHtml = '<a href="' + artdata[current]["linkhref"] + '">' + artdata[current]["title"] + '</a>';
	var moreHtml = '<a href="' + artdata[current]["linkhref"] + '">Tovább olvasom &raquo;</a>';
	var rightHtml = '<a href="' + artdata[current]["linkhref"] + '"><img src="' + artdata[current]["imgsrc"] + '" alt="' + artdata[current]["title"] +'" /></a>';
	
	// fade out
	$('.hB_Lead, .hB_Right').fadeOut(250, function() {

		// switch item
		$('.hB_Cat').text( artdata[current]["cat"] );
		$('.hB_Title').html( titleHtml );
		$('.hB_leadhtml').html( artdata[current]["lead"] );
		$('.hB_more').html( moreHtml );
		$('.hB_Right').html( rightHtml );

		// active
	        $('.hB_num').removeClass('active');
		$('.hB_num:eq(' + current + ')').addClass('active');
		homeArticleCurrent = current;

		// fade in
		$('.hB_Lead, .hB_Right').fadeIn(250);
	});
}


function nextHomeArticle() {
	if ( homeArticleCurrent < artdata.length-1 ) homeArticleCurrent++;
	else homeArticleCurrent = 0;
        setHomeArticle( homeArticleCurrent );
}


function prevHomeArticle() {
	if ( homeArticleCurrent == 0 ) homeArticleCurrent = artdata.length-1;
	else homeArticleCurrent--;
        setHomeArticle( homeArticleCurrent );
}



/* ondomready */
$(function() {
artdata = eval(articles);
initHomeBox();
})