var ancho = 134;
var n_pfila = 6;
var n;

function initSlide(slide)
{
	n=0;
	$("#"+slide+" .bloq").each(function(){
		$(this).css("left", (ancho*n)+"px");
		n++;
		$("#"+slide).attr("n_items", n);
	});
	$("#"+slide).attr("act", 0);
	$("#"+slide).attr("topeL", 1);
	$("#"+slide).attr("topeR", 0);
	if($("#"+slide).attr("n_items")<=n_pfila)
		$("#"+slide).attr("topeR", 1);
}

function goLeft(slide) {
	var x, despl;
	var act, n_items;

	act = $("#"+slide).attr("act");
	n_items = $("#"+slide).attr("n_items");
	
	if($("#"+slide).attr("topeR")=="0")
	{
		if((parseInt(act)+parseInt(n_pfila*2))>parseInt(n_items)+1)
		{
			despl = parseInt(n_items)%parseInt(n_pfila);
			$("#"+slide).attr("topeR", 1);
		} else {
			despl = parseInt(n_pfila)+parseInt(act);
			$("#"+slide).attr("topeR", 0);
		}
		
		$("#"+slide).attr("topeL", 0);
		
		$("#"+slide+" .bloq").each(function(){			
			x = parseInt($(this).css("left"));
			$(this).animate({left:x-(ancho*despl)}, 500);
		});

		$("#"+slide).attr("act", parseInt(parseInt(despl)+parseInt(act)));
	}
}

function goRight(slide) {
	var x, despl;
	var act, n_items;
	act = $("#"+slide).attr("act");
	n_items = $("#"+slide).attr("n_items");

	if($("#"+slide).attr("topeL")=="0")
	{
		if((parseInt(act)-parseInt(n_pfila))<0)
		{
			despl = (-1)*parseInt(act);
				//parseInt(act)-parseInt(n_pfila*2)+parseInt(n_items);
			$("#"+slide).attr("topeL", "1");
		} else {
			despl = (-1)*parseInt(n_pfila);
			$("#"+slide).attr("topeL", "0");
		}
		$("#"+slide).attr("topeR", "0");
		
		$("#"+slide+" .bloq").each(function(){			
			x = parseInt($(this).css("left"));
			$(this).animate({left:x-(ancho*despl)}, 500);
		});

		$("#"+slide).attr("act", parseInt(parseInt(act)-((-1)*parseInt(despl))));
	}
}