function PageSize() {
	var xScroll, yScroll;

	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = window.innerWidth + window.scrollMaxX;
		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
		if(document.documentElement.clientWidth){
			windowWidth = document.documentElement.clientWidth; 
		} else {
			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 = xScroll;		
	} else {
		pageWidth = windowWidth;
	}

	return [pageWidth,pageHeight];
}


function PonePublis() {
	// Izquieda
	//var total_izquierda = document.getElementById('div_contenedor').offsetLeft - 180;
	//document.getElementById('div_publicidad_izquierda').style.left = total_izquierda + 'px';
	//document.getElementById('div_publicidad_izquierda').style.display = 'block';
	
	// Derecha
	var total_derecha = document.getElementById('contenedor').offsetWidth + document.getElementById('contenedor').offsetLeft + 20;
	if (IE)
		total_derecha = total_derecha + 10;
	document.getElementById('div_publicidad_derecha').style.left = total_derecha + 'px';
	document.getElementById('div_publicidad_derecha').style.display = 'block';
}