// JavaScript Document

function MM_jumpMenu_pdf(){ //Para abrir pdf en una nueva pantalla
  window.open("pdf/"+document.menu_izq.menu_pdf.value);
}

function MM_jumpMenu_header(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function ImgRoll(ImgName, ImgTo){
	Imagen = eval("document."+ImgName);
	Imagen.src = ImgTo;
}

function isNumberKey(evt) //Solo numeros
      {
         var charCode = (evt.which) ? evt.which : event.keyCode
         if (charCode > 31 && (charCode < 48 || charCode > 57))
            return false;

         return true;
      }