//
function espandiMenu(idMenu){
   var idMenuS  = document.getElementById(idMenu);
   var idImgBut = document.getElementById(idMenu+"_img");

   if(idMenuS.style.display == "block"){
	  idMenuS.style.display = "none";
      idImgBut.className= "linkOpen";
   }
   else{
      idMenuS.style.display = "block";
	  idImgBut.className= "linkClose";
   }

}