// JavaScript Document
var synligmeny = null;

function hideElement(id)
{
	var c = document.getElementById(id + '-ddcontent');
	c.style.display = 'none';
}

function ddMenu(id){
  var c = document.getElementById(id + '-ddcontent');

  if (synligmeny != null)
  {
	  hideElement(synligmeny);
  }
  if(synligmeny != id){

	synligmeny = id;

      c.style.display = 'block';

  }else{
     hideElement(id);
	 synligmeny = null;
  }
}