function menu_toggle(element) {
  if (document.getElementById("menu_"+element).style.display == 'block') {
	document.getElementById("menu_"+element).style.display = 'none';
	}
  else {
	document.getElementById("menu_"+element).style.display = 'block';
	}
}

function menu_mouseover(element) {
  curStyle = document.getElementById(element.id).className;
  //alert(curStyle);
  if (curStyle.indexOf("_selected") == -1 && curStyle.indexOf("_active") == -1) {
	document.getElementById(element.id).className = curStyle + '_active';
  }
}

function menu_mouseout(element) {
  curStyle = document.getElementById(element.id).className;
  //alert(curStyle);
  if (curStyle.indexOf("_active") != -1) {
	document.getElementById(element.id).className = curStyle.substr(0,curStyle.length-7);
  }
}

function elToggle(element) {
  var cState = document.getElementById(element).style.display
  if (cState == 'none') {
    document.getElementById(element).style.display = 'block';
  } else {
    document.getElementById(element).style.display = 'none';
  }
}