if (document.getElementById){ 
document.write('<style type="text/css">\n')
document.write('.submenu{display: none;}\n')
document.write('</style>\n')
}

function SwitchMenu(id){
	var tb = document.getElementById(id);
	var img = 'img_'+id;
	var rutaAmpliar = 'imagenes/item_mas.gif';
	var rutaContraer = 'imagenes/item_menos.gif';
	
	if(tb.style.display == "block"){
		tb.style.display = "none";
		document.images[img].src = rutaAmpliar;
		document.images[img].setAttribute('alt','Maximizar');
	}else{
		tb.style.display = "block";
		document.images[img].src = rutaContraer;
		document.images[img].setAttribute('alt','Minimizar');

	}
}
function expandir(id){
	var tb = document.getElementById(id);
	if(tb){
		if(tb.style.display == "block"){
			tb.style.display = "none";
		}else{
			tb.style.display = "block";
			total=5;
			for(i=1;total>=i;i++){
			if(id!=i){
			tb = document.getElementById(i);	
			tb.style.display = "none";
			}
		}
		}
	}
}

function openWindow(url,frame){
	window.open(url,frame,'');
}

 function popup(url,ventana,atributos) {
  window.open(url,ventana,atributos);
}

function openPopUp(url, name){
	window.open(url,'name','width=350, height=350, scrollbars=yes, left=410, top=180');
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

// validacion de formularios
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_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' debe contener una dirección de mail.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' debe contener un número.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' debe contener un número entre '+min+' y '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' es necesario.\n'; }
  } if (errors) alert('Los siguientes errores han ocurrido:\n'+errors);
  document.MM_returnValue = (errors == '');
}


function ejecutarBuscador(){
	var palabra = document.getElementById('buscador').document.getElementById('palabra').value;
	if(palabra=="" || palabra=="Buscar"){
		alert("Por favor ingrese una palabra");
	}else if(palabra.length<=3){
		alert("La palabra clave debe poseer por lo menos 3 caractéres");
	}else{
		document.getElementById('buscador').submit();
	}
}


function contenidos_frame(URL,ALTO){
	//document.getElementById("prueba").width=ANCHO;
	document.getElementById('marco').style.height=ALTO+'px';
	document.getElementById('marco').src=URL;
}
function contenidos_frame2(URL,ALTO){
	//document.getElementById("prueba").width=ANCHO;
	parent.document.getElementById('marco').style.height=ALTO+'px';
	parent.document.getElementById('marco').src=URL;
}