var msg=new Array();
var entryLength = 0;
var z=0;

$(function() {
	var elemLink=new Array();
	var elemText=new Array();

	$.get('getNewsBar.php', function(data) {
		entryLength = $(data).find('entry').length;
		$(data).find("link").each(function() {
			elemLink[elemLink.length++]=$(this).text();
		});	 	
		$(data).find("text").each(function() {
			elemText[elemText.length++]=$(this).text();
		});	 	

		for(var i=0; i<elemText.length; i++)
		{
			strToAppend = "<li><a target='_blank' rel='nofallow' href='" + elemLink[i] + "'>" + elemText[i] + "<\/a><\/li>";
			msg[msg.length++] = strToAppend;
		}
	}); 	
});

function Visualizza()
{
	for(var i=0; i<entryLength; i++)
	{
		$("ul#newsticker").append(msg[i]);
	}
	
	$("ul#newsticker").liScroll();
}

jQuery.fn.liScroll = function(settings) {
		settings = jQuery.extend({travelocity: 0.04}, settings);		
		return this.each(function(){
				var $strip = jQuery(this);
				$strip.addClass("newsticker")
				var stripWidth = 0;
				var $mask = $strip.wrap("<div class='mask'></div>");
				var $tickercontainer = $strip.parent().wrap("<div class='tickercontainer'></div>");								
				var containerWidth = $strip.parent().parent().width();	//a.k.a. 'mask' width 	
				$strip.find("li").each(function(i){
				stripWidth += jQuery(this, i).width();
				});
				$strip.width(stripWidth);			
				var defTiming = stripWidth/settings.travelocity;
				var totalTravel = stripWidth+containerWidth;								
				function scrollnews(spazio, tempo){
				$strip.animate({left: '-='+ spazio}, tempo, "linear", function(){$strip.css("left", containerWidth); scrollnews(totalTravel, defTiming);});
				}
				scrollnews(totalTravel, defTiming);				
				$strip.hover(function(){
				jQuery(this).stop();
				},
				function(){
				var offset = jQuery(this).offset();
				var residualSpace = offset.left + stripWidth;
				var residualTime = residualSpace/settings.travelocity;
				scrollnews(residualSpace, residualTime);
				});
		});	
};