var losIds_th=["th_1","th_2","th_3","th_4","th_5","th_6","th_7","th_8","th_9","th_10","th_11","th_12","th_13","th_14"]; 
function muestraDiv_th(id) { 
    for(a=0;a<losIds_th.length;a++) 
        document.getElementById( losIds_th[a] ).style.display="none"; 
    document.getElementById( id ).style.display="block"; 
} 

function alto_cabeceira(h) {
iframe=document.getElementById("cabeceira")
iframe.height=h;
}

function alto_menu_lateral(h) {
iframe=document.getElementById("menu_lateral")
iframe.height=h;
}

function alto_pe(h) {
iframe=document.getElementById("pe")
iframe.height=h;
}

function alto_frame(h) {
iframe=document.getElementById("articulos")
iframe.height=h;
}

function alto_obras(h) {
iframe=document.getElementById("obras")
iframe.height=h;
}
function ampliar_f(foto) {
document.calenda.myShow.src=foto
}

function overTD(td,color){td.bgColor=color;}
 
function outTD(td,color){td.style.cursor='default';td.bgColor=color;} 

function ventana(url)
{
var ancho = ((screen.width) - 20)
var alto = ((screen.height) - 82)
direccionurl = '' + url + ''
dat = 'toolbar=no,scrollbars=yes,location=0,statusbar=0,status=0,menubar=0,resizable=1,width=' + ancho + ',height=' + alto + ',left=0,top=0';
	ventana = window.open(direccionurl, "_blank",dat );
}

function enviar(url)
{
		document.formu.target='_top';
		document.formu.method = 'get';
		document.formu.action = url;
		document.formu.submit(); 
}