// JavaScript Document
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function mostrar(nombreCapa,menu){
document.getElementById(nombreCapa).style.display="block";
menu_noselect();
menu_select(menu);
}
function ocultar(nombreCapa){
document.getElementById(nombreCapa).style.display="none";
}
function inicializar_div(){
change_css(document.getElementById("menu1"),"select");
ocultar("div_arga");	
ocultar("div_elorz");	
}

function change_css(objeto,c){
	objeto.className=c;
}

function menu_noselect(){
	change_css(document.getElementById("menu1"),"");
	change_css(document.getElementById("menu2"),"");
	change_css(document.getElementById("menu3"),"");	
}
function menu_select(menu){
	change_css(document.getElementById(menu),"select");
}
//usado para abrir nuevo navegador
function externalLinks() {

 if (!document.getElementsByTagName) return;

 var anchors = document.getElementsByTagName("a");

 for (var i=0; i<anchors.length; i++) {

   var anchor = anchors[i];

   if (anchor.getAttribute("href") &&

       anchor.getAttribute("rel") == "external")

     anchor.target = "_blank";

 }

}
window.onload = externalLinks;

/*************************************************************************
  Funciones para texto alternativo en cabecera
*************************************************************************/

function doTooltip(e, msg) {
  if ( typeof Tooltip == "undefined" || !Tooltip.ready ) return;
  Tooltip.show(e, msg);
}

function hideTip() {
  if ( typeof Tooltip == "undefined" || !Tooltip.ready ) return;
  Tooltip.hide();
}