var offset=400;
	var curr_pic=0;
	var base_left=7;
	var t;
	var num_imgs=0;
	$(document).ready(function(){
		num_imgs=$(".image").length;
	});
	function movePic(direction)
	{
		
		if(direction>0)
		{
			if(curr_pic<num_imgs-1)
				curr_pic++;
			else
				curr_pic=0;
			
			newleft=-curr_pic*offset+base_left;
			$("#image-cont").animate({"left":newleft+"px"},1000);
			t=$(".image:eq("+curr_pic+") a img").attr("alt");
			$(".flecha").html(t);
		}
		if(direction<0)
		{
			if(curr_pic>0)
				curr_pic--;
			else
				curr_pic=num_imgs-1;
			
			newleft=-curr_pic*offset+base_left;
			$("#image-cont").animate({"left":newleft+"px"},1000);
			t=$(".image:eq("+curr_pic+") a img").attr("alt");
			$(".flecha").html(t);
		}
	}