// Funciones para el rollover de los iconos del pie de página

var timerID = 0;

function altIcon(n) {
	if(timerID) {
		clearTimeout(timerID);
	}
	document.getElementById("textAlt").style.left = rollovers[n][0] + "px";
	document.getElementById("textAlt").innerHTML = rollovers[n][1];
}

function clearAlt() {
	document.getElementById("textAlt").innerHTML = "";
}

function clearAltTimer() {
	timerID = setTimeout("clearAlt()", 2000);
}


// Para abrir enlaces en ventana nueva sin usar target _blank

function openTargetBlank(e){
   
   var className = 'external';
   
   if (!e) var e = window.event;
   var clickedObj = e.target ? e.target : e.srcElement;
   
   if(clickedObj.nodeName == 'A' )
    {
      r=new RegExp("(^| )"+className+"($| )");
      if(r.test(clickedObj.className)){
         window.open(clickedObj.href);
         return false;
   
      }
    }
}
   
document.onclick = openTargetBlank;


// Para cambiar de idioma

function change_language() {
	var lang = document.forms.combo_idioma.idioma.options[document.forms.combo_idioma.idioma.selectedIndex].value;
	var page=window.location.href.split("#")[1];
	if (page) {
		window.location="site.php?lang=" + lang + "#" + page;	
	}else{
		window.location="site.php?lang=" + lang;
	}
}


// Para el sitemap

function reemplazar_primero(srch,rplce,str){
	var contenido_pre=str.substring(0,str.indexOf(srch));
	var contenido_post=str.substr(str.indexOf(srch)+3);
	var res=contenido_pre+rplce+contenido_post;
	return res;
}

function show_collapse(id,parent){
	if(document.getElementById(id).style.display!='block'){
		document.getElementById(id).style.display='block';
		document.getElementById(parent).innerHTML=reemplazar_primero('[+]','[-]',document.getElementById(parent).innerHTML);
	} else {
		document.getElementById(id).style.display='none';
		document.getElementById(parent).innerHTML=reemplazar_primero('[-]','[+]',document.getElementById(parent).innerHTML);
	}
}

// Para abrir pop-up's

function popUp(strURL,strHeight,strWidth) {
	
	var strOptions="";
	var strOptions = strOptions + "width="  +  strWidth;
	var strOptions = strOptions + ",height="  +  strHeight;
	var strOptions = strOptions + ",toolbar=0";
	var strOptions = strOptions + ",location=0";
	var strOptions = strOptions + ",directories=0";
	var strOptions = strOptions + ",status=0";
	var strOptions = strOptions + ",menubar=0";
	var strOptions = strOptions + ",scrollbars=1";
	var strOptions = strOptions + ",top=" + ((screen.height/2) - (strHeight/2));
	var strOptions = strOptions + ",left=" + ((screen.width/2) - (strWidth/2));
	
	var myWin;

	if (!myWin || myWin.closed) {
		myWin = window.open(strURL, 'newWin', strOptions);
	} else {
		myWin.focus();
	};

	void(0);
}