// JavaScript Document

$(document).ready(function(){
  $(".escritorio#botones img").click(function(){
    $(".escritorio#botones img").css("background-image","url(../img/botona11.png)");
  });
});

$(document).ready(function(){
  $("button").click(function(){
    $("div").animate({height:300},"slow");
    $("div").animate({width:300},"slow");
    $("div").animate({height:100},"slow");
    $("div").animate({width:100},"slow");
  });
});

/*****************************/


	var scrollSpeed = 70;
	var step = 1;
	var current = 0;
	var imageWidth = 2247;
	var headerWidth = 800;		

	var restartPosition = -(imageWidth - headerWidth);

	function scrollBg(){
		current -= step;
		if (current == restartPosition){
			current = 0;
		}

		$('body').css("background-position",current+"px 0");
	}

	var init = setInterval("scrollBg()", scrollSpeed);