var indice_arrow = new Array(1,1,1,1,1,1,1,1,1,1,1,1);
var indice_img=0;

function resetArrow1() {
	for(i=1; i<12; i++)
		if(document.getElementById("img"+i))
			document.getElementById("img"+i).src = "images/freccia-down.jpg";
}

function show(id) {
	document.getElementById(id).style.visibility="visible";
}

function hide(id) {
	document.getElementById(id).style.visibility="hidden";
}

function reloadNews() {
	var selectedTestate = 1;
	if(document.getElementsByName('testate')[0].checked) selectedTestate *= 3;
	if(document.getElementsByName('testate')[1].checked) selectedTestate *= 5;
	if(document.getElementsByName('testate')[2].checked) selectedTestate *= 7;
	if(document.getElementsByName('testate')[3].checked) selectedTestate *= 11;
	if(document.getElementsByName('testate')[4].checked) selectedTestate *= 13;
	
	if(selectedTestate!=1) {
		hide('selectnews');
		show('news');
		feedWindow.location.href="rss/feed.html?val="+selectedTestate;	
	}
	else alert('Selezionare almeno una testata giornalistica');
}

function getUrl(dato) {
   var tmp = (location.search.substring(1));
   blocco = tmp.split("&");
   for (i=0;i<blocco.length;i++) {
	temp=blocco[i].split("=");
 	if (temp[0]==dato) return temp[1];
   }
}

function diplayBlock(arg,i) {

	if(indice_arrow[i]==1) {
		document.getElementById("img"+i).src = "images/freccia-right.jpg";
		document.getElementById(arg).style.display='block';
	}
	else {
		document.getElementById("img"+i).src = "images/freccia-down.jpg";
		document.getElementById(arg).style.display='none';
	}
	indice_arrow[i] *= -1;
}