// JavaScript Document

var bro = navigator.appVersion;
if (bro.search("MSIE 7") >=0 )
	var ie7 = true;

$(window).resize(function()
{
	$("#scrollHead").dequeue;
	var posizioneAtt = $("#positionHead").val()-1;
	var width = document.compatMode=='CSS1Compat' && !window.opera?document.documentElement.clientWidth:document.body.clientWidth;
	
	var position = width*posizioneAtt*-1;
	//alert(position);
	//document.title = "Posizione Attuale = "+posizioneAtt+" | Posizione"+position+" | Larghezza"+width;
	$("#scrollHead").css("margin-left",position+"px");
});

function moveRight()
{
	var width = document.compatMode=='CSS1Compat' && !window.opera?document.documentElement.clientWidth:document.body.clientWidth;
	var marginNow = $("#scrollHead").css("margin-left").substr(0,($("#scrollHead").css("margin-left").length-2));
	var nImg = $("#nImg").val()-2;
		
	if (marginNow > (width*-nImg-1))
	{
		if (!ie7) $("#marqArrRight").removeAttr("onclick");
		$("#positionHead").val(parseInt($("#positionHead").val())+1);
		
		var pSel = "#p"+$("#positionHead").val();

		$("#pallini").find("img").attr("src","img/scroll/p.png");
		$(pSel).attr("src","img/scroll/p-s.png");

		
		$("#scrollHead").dequeue;
		$("#scrollHead").animate(
		{
			marginLeft: '-='+width
		},500);
		
		$('.scrollTextHomeIn').animate(
		{
			marginLeft: '-=1000'
		},500);
		
		$(".scrollM").animate({opacity:1},0);
		$("#scrollM"+(parseInt($("#positionHead").val())-1)).animate({opacity:0},500);
		
		setTimeout(function()
		{
			$('#scrollMessageHome').animate(
			{
				marginLeft: '+=400'
			},800);
		},500);
		
		
		if (!ie7) setTimeout(function(){$("#marqArrRight").attr("onclick","moveRight()");},600);
	}
}

function moveLeft()
{
	var width = document.compatMode=='CSS1Compat' && !window.opera?document.documentElement.clientWidth:document.body.clientWidth;
	var marginNow = $("#scrollHead").css("margin-left").substr(0,($("#scrollHead").css("margin-left").length-2));
	var nImg = $("#nImg").val()-2;
	
	
	if (marginNow < (width*-1+1))
	{
		if (!ie7) $("#marqArrLeft").removeAttr("onclick");
		$("#positionHead").val(parseInt($("#positionHead").val())-1);

		var pSel = "#p"+$("#positionHead").val();

		$("#pallini").find("img").attr("src","img/scroll/p.png");
		$(pSel).attr("src","img/scroll/p-s.png");

		$("#scrollHead").dequeue;
		$("#scrollHead").animate(
		{
			marginLeft: '+='+width
		},500);
		
		$(".scrollM").animate({opacity:1},0);
		$("#scrollM"+(parseInt($("#positionHead").val())+1)).animate({opacity:0},500);
		
		setTimeout(function()
		{
			$('#scrollMessageHome').animate(
			{
				marginLeft: '-=400'
			},800);
		},500);
		
		$('.scrollTextHomeIn').animate(
		{
			marginLeft: '+=1000'
		},500);
		
		if (!ie7) setTimeout(function(){$("#marqArrLeft").attr("onclick","moveLeft()");},600);
	}
}