jQuery.fn.liScroll = function(settings) {
		settings = jQuery.extend({
		travelocity: 0.07
		}, 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);
				});			
		});	
};


// Pickup1にのせるコメントのスピードをシャフル
$(function() {

	var speed = new Array(0.03, 0.04, 0.05, 0.06, 0.07);
	var i = speed.length;
	while (--i) {
		var j = Math.floor(Math.random() * (i + 1));
		if (i == j) continue;
		var k = speed[i];
		speed[i] = speed[j];
		speed[j] = k;
	}

	$("#PickupTicker1").liScroll({travelocity: speed[0]});
	$("#PickupTicker2").liScroll({travelocity: speed[1]});
	$("#PickupTicker3").liScroll({travelocity: speed[2]});
	$("#PickupTicker4").liScroll({travelocity: speed[3]});
	$("#PickupTicker5").liScroll({travelocity: speed[4]});

	$("#PickupTicker").css("visibility", "visible");
});