var menu="";
function muestra_menu(div){
	if(menu==""){
		menu=document.getElementById(div);
		menu.style.display="block";
	}else{
		menu.style.display="none";
		menu=document.getElementById(div);
		menu.style.display="block";
	}

}

function getNewsMediaRelated(codNews){
	var rand = Math.round(100*Math.random()); //  IE CACHE FIX 
	new Ajax.Updater({success:'relatedMediaNews',failure:'',exception:''}, '/index.cgi', {
						evalScripts:true,
						parameters: 'accion=getPlugin&pluginName=get_news_media&new_id='+ codNews +'&template=&_nocache='+rand,
						method: 'get',
						onCreate: function(){
						},
						onComplete: function(transport) {
						},
						onFailure: function(){ alert('Ha ocurrido un error en el sistema. Vuelva a intentar la operación por favor.'); }
					});
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0 && parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
} 

function mostrarSubmenu(idMenu){
	if(document.getElementById('submenu_'+idMenu)){
		document.getElementById('submenu_'+idMenu).style.display = 'block';
	}

	document.getElementById(idMenu).style.backgroundImage = "url('/images/menu/"+idMenu+"2.gif')";
}

function ocultarSubmenu(idMenu){
	if(document.getElementById('submenu_'+idMenu)){
		document.getElementById('submenu_'+idMenu).style.display = 'none';
	}
	document.getElementById(idMenu).style.backgroundImage = "url('/images/menu/"+idMenu+"1.gif')";
}

function openFieldset(){
	if(($('normas_iso').style.display == 'none') && (document.formulario.field_35.value != '')){
		var span=$('span_iso');
		muestraMasOpciones('normas_iso',span);
	}
}

function muestraMasOpciones(idDiv, span){
	var txt = span.innerHTML;
	if($(idDiv).style.display == 'none'){
		Effect.BlindDown(idDiv);
		span.innerHTML = " - "+ txt.substring(2,txt.length);
	}
	else{
		Effect.BlindUp(idDiv,{ duration: 0.4 });
		span.innerHTML = " + "+ txt.substring(2,txt.length);
	}
}