// Scroll - Extracted from thickbox page - Thx to Code Lindley.
jQuery.getPos = function (e)
{
	var l = 0;
	var t = 0;
	var w = jQuery.intval(jQuery.css(e,'width'));
	var h = jQuery.intval(jQuery.css(e,'height'));
	var wb = e.offsetWidth;
	var hb = e.offsetHeight;
	while (e.offsetParent){
	l += e.offsetLeft + (e.currentStyle?jQuery.intval(e.currentStyle.borderLeftWidth):0);
	t += e.offsetTop + (e.currentStyle?jQuery.intval(e.currentStyle.borderTopWidth):0);
	e = e.offsetParent;
	}
	l += e.offsetLeft + (e.currentStyle?jQuery.intval(e.currentStyle.borderLeftWidth):0);
	t += e.offsetTop + (e.currentStyle?jQuery.intval(e.currentStyle.borderTopWidth):0);
	return {x:l, y:t, w:w, h:h, wb:wb, hb:hb};
};

jQuery.getClient = function(e)
{
	if (e) {
	w = e.clientWidth;
	h = e.clientHeight;
	} else {
	w = (window.innerWidth) ? window.innerWidth : (document.documentElement && document.documentElement.clientWidth) ? document.documentElement.clientWidth : document.body.offsetWidth;
	h = (window.innerHeight) ? window.innerHeight : (document.documentElement && document.documentElement.clientHeight) ? document.documentElement.clientHeight : document.body.offsetHeight;
	}
	return {w:w,h:h};
};

jQuery.getScroll = function (e)
{
	if (e) {
	 t = e.scrollTop;
	 l = e.scrollLeft;
	 w = e.scrollWidth;
	 h = e.scrollHeight;
	 } else {
	 if (document.documentElement && document.documentElement.scrollTop) {
	 t = document.documentElement.scrollTop;
	 l = document.documentElement.scrollLeft;
	 w = document.documentElement.scrollWidth;
	 h = document.documentElement.scrollHeight;
	 } else if (document.body) {
	 t = document.body.scrollTop;
	 l = document.body.scrollLeft;
	 w = document.body.scrollWidth;
	 h = document.body.scrollHeight;
	 }
	 }
	 return { t: t, l: l, w: w, h: h };
};

jQuery.intval = function (v)
{
	v = parseInt(v);
	return isNaN(v) ? 0 : v;
 };

jQuery.fn.ScrollTo = function(s) {
	o = jQuery.speed(s);
	return this.each(function(){
	new jQuery.fx.ScrollTo(this, o);
	});
};

jQuery.fx.ScrollTo = function (e, o)
{
	var z = this;
	z.o = o;
	z.e = e;
	z.p = jQuery.getPos(e);
	z.s = jQuery.getScroll();
	z.clear = function(){clearInterval(z.timer);z.timer=null};
	z.t=(new Date).getTime();
	z.step = function(){
	var t = (new Date).getTime();
	var p = (t - z.t) / z.o.duration;
	if (t >= z.o.duration+z.t) {
	z.clear();
	setTimeout(function(){z.scroll(z.p.y, z.p.x)},13);
	} else {
	st = ((-Math.cos(p*Math.PI)/2) + 0.5) * (z.p.y-z.s.t) + z.s.t;
	sl = ((-Math.cos(p*Math.PI)/2) + 0.5) * (z.p.x-z.s.l) + z.s.l;
	z.scroll(st, sl);
	}
	};
	z.scroll = function (t, l){window.scrollTo(l, t)};
	z.timer=setInterval(function(){z.step();},13);
};

var WOR = null; // Window Object Reference

$.fn.popup = function(options){
	function clickHandler(e) {
		if (e.ctrlKey || e.shiftKey || e.metaKey) 
            return;
		if(WOR == null || WOR.closed){
			WOR = window.open(this.href, "_blank",options);
			e.preventDefault();
		} else {
			WOR.focus();
			e.preventDefault();
		}
	}
	this.bind('click', clickHandler);
	
	return this;
}

// End scroll.

function hide(selector){
	$(selector).css('display','none');
}

// Obtener el alto de un iframe.
function getHeight(obj,plus){
  //find the height of the internal page
  var h = document.getElementById(obj).contentWindow.document.body.scrollHeight;

  //change the height of the iframe
  document.getElementById(obj).height= h + plus;
}