<!-- Vignette V6 Wed Jan 14 12:45:16 2004 -->

function abreVentana(theUrl,winName,features,width,height) 
{
	var str = "";
	if (features)
		str = features + ",height=" + height + ",innerHeight=" + height;
	else
		str = "resizable=1,scrollbars=yes,toolbar=0,height=" + height + ",innerHeight=" + height; 
		
	str += ",width=" + width + ",innerWidth=" + width;
	if (window.screen) {
		var sh = screen.availHeight - 30;
		var sw = screen.availWidth- 10;
		var txc = (sw - width) / 2;
		var tyc = (sh - height) / 2;
		str += ",left=" + txc + ",screenX=" + txc;
		str += ",top=" + tyc + ",screenY=" + tyc;
	}
	window.open(theUrl,winName,str);
	return;
}
function openWindowChild(URL,left,width,height) { 
	child = window.open("","ventana","top=100,left=" + left + ",width=" + width + ",height=" + height ); 
	child.location.href = URL; 
	if (child.opener == null) { 
		child.opener = window; 
	} 
	child.opener.name = "opener"; 
}
var incrementosTotales=0;
function cambiarTamagnoLetras(agrandar) {
	var aElementos = document.all['ad'];
	for (i=0; i< aElementos.length; i++) {
		elemento = aElementos[i];
		if (!elemento.style.fontSize) {
			if (agrandar)
				elemento.style.fontSize = '110%';
			else
				elemento.style.fontSize = '90%';
		} else {
			var fsize = elemento.style.fontSize;
			var incremento=10;
			var medida='%';
			if (fsize.substring(0,fsize.indexOf("px"))) {
				incremento=2;
				medida='px';
				fsize = fsize.substring(0,fsize.indexOf(medida))
				if (agrandar && fsize>=20) return;
				if (!agrandar && fsize <= 9) return;
			} else {
				fsize = fsize.substring(0,fsize.indexOf(medida))
				if (agrandar && fsize>=150) return;
				if (!agrandar && fsize <= 60) return;
			}

			if (agrandar) {
				fsize = Number(fsize)+incremento;
				elemento.style.fontSize = (fsize+medida);
			} else {
				fsize = Number(fsize)-incremento;
				elemento.style.fontSize = (fsize+medida);
			}
		}
	}
}
function resetTamagnoLetras() {
	var aElementos = document.all['ad'];
	for (i=0; i< aElementos.length; i++)
	{
		elemento = aElementos[i];
		elemento.style.fontSize = '100%';
	}
}