function cargaCapa (pagina)
{
	var objBody =$('container');
	
	if ($('capaDetalle'))
	{
		Element.remove ('capaDetalle')
	}


	
	var capaContenedora=document.createElement('div')
	capaContenedora.setAttribute("id","capaDetalle")
	objBody.appendChild(capaContenedora)

	var botonCerrar=document.createElement('a')
	botonCerrar.setAttribute("id","cerrar")
	botonCerrar.onclick=function ()
	{
		cierraVentana();
	}
	botonCerrar.innerHTML="cerrar"
	capaContenedora.appendChild(botonCerrar);
	
	var capaCargaAJAX=document.createElement('div')
	capaCargaAJAX.setAttribute("id","capaAJAX")
	capaContenedora.appendChild(capaCargaAJAX);
	
	Element.hide('capaDetalle')
	
	new Ajax.Updater
		(
			'capaAJAX',
			pagina,
			{
			onComplete:function()
			{
				posicionarCapas();
			}
			,	asynchronous:true
			, evalScripts:true
			}
		)

}
function posicionarCapas ()
{
	capa=posicionarCapas.arguments[0]
	var arrayPageSize = getPageSize();
	
	altoVentana=arrayPageSize[1];
	altoScreen=arrayPageSize[3];
	anchoVentana=arrayPageSize[0];
	
	altoCapa=$('capaDetalle').getDimensions().height
	anchoCapa=$('capaDetalle').getDimensions().width
	margenLateral=Math.round(anchoVentana-anchoCapa)/2;
	margenSuperior=parseInt(Math.round(altoScreen-altoCapa)/2);
	
	$('capaDetalle').style.top="180px";
	$('capaDetalle').style.left=margenLateral+"px";
 
	// mostrar capas
	//Element.show('capaDetalle')
	new Effect.Appear('capaDetalle', { duration: 0.2, from: 0.0, to: 0.95 });
	
	/*new Ajax.Updater
	(
		'capaDatosPaises',
		"http://192.168.1.45:90/paises.shtml",
		{
			onComplete:function()
				{
				}
				,	asynchronous:true
				, evalScripts:true
		}
 
	);*/

}
function cierraVentana ()
{
	Element.remove('capaDetalle')
}
//getPageScroll()
//Returns array with x,y page scroll values.
//Core code from - quirksmode.org
//
function getPageScroll(){

	var yScroll;

	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
	} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
	}

	arrayPageScroll = new Array('',yScroll)
	return arrayPageScroll;
}

//-----------------------------------------------------------------------------------

//
//getPageSize()
//Returns array with page width, height and window width, height
//Core code from - quirksmode.org
//Edit for Firefox by pHaez
//
function getPageSize(){

	var xScroll, yScroll;

	if (window.innerHeight && window.scrollMaxY) {
		xScroll = document.body.scrollWidth;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}

	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}

	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else {
		pageHeight = yScroll;
	}

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}


	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight)
	return arrayPageSize;
}