function submenuToggle (on, off, current, other) 
{
	//Effect.Appear(on);
	$(on).style.display='block';
	$(off).style.display='none';
	
	$('menu').style.borderBottom='1px solid #a9b0b8';
	
	$(current).style.borderBottom='1px solid #fff';
	$(other).style.borderBottom='0';
	
	$(current).style.background='url(http://www.godspell.org.ar/images/menu_principal/' + on + '.gif)';
	$(other).style.background='url(http://www.godspell.org.ar/images/menu_principal/' + off.substr(0, 3) + '.gif)';
	
}

function fill(target, value)
{
	if (document.getElementById(target).value == '')
	{
		document.getElementById(target).value = value;
		return;
	}
	return;
}

function MM_openBrWindow(theURL,winName,features) 
{
  window.open(theURL,winName,features);
}

function agregarHijos(cantActual, max)
{
	cantActual = parseInt(cantActual, 10);
	var j = cantActual + 1;
    if(j <= max)
    {
        for(i = cantActual; i <= j; i++)
        {
            $('hijo_'+i).style.display = 'block';
            $('nombre_hijo_'+i).disabled = '';
            $('diaNac_'+i).disabled = '';            
            $('mesNac_'+i).disabled = '';            
            $('anoNac_'+i).disabled = '';            
            $('edad_'+i).disabled = '';            
            $('curso_'+i).disabled = '';            
            $('antecedentes_educacionales_'+i).disabled = '';            
            $('cantActual').value = i;
        }
    }
}

function aleatorio(inferior,superior){
numPosibilidades = superior - inferior;
aleat = Math.random() * numPosibilidades;
aleat = Math.round(aleat);
return parseInt(inferior) + aleat;
} 

function imagesRandom ()
{
	setInterval("changeImages()",5000);
}
function changeImages()
{
	var num = aleatorio(1, 4);	
	document.getElementById('hdImg').style.background='url(images/img_intranet/'+num+'.jpg) no-repeat';
}