var catMenuDelay     = 600; // Value is in miliseconds
var catMenuActive    = false;

function catMenuOn(index) {
    catMenuActive = true;

    for (i = 0; i < 10; i ++) {
    	if(document.getElementById("cat-menu" + i)) {
        document.getElementById("cat-menu" + i).style.display = "none";
        //document.getElementById("top-nav-" + i).className = "";
      }
    }
    document.getElementById("cat-menu" + index).style.display = "block";

    //document.getElementById("top-nav-" + index).className = "selected";
}

function catMenuOff(index) {
    catMenuActive = false;
    setTimeout("catMenuOffQuick(" + index + ")", catMenuDelay);
}


function catMenuOffQuick(index) {
  if (catMenuActive == false) {
  	document.getElementById("cat-menu" + index).style.display = "none";
    //document.getElementById("top-nav-" + index).className = "";
  }
}

function catMenuOffAll() {
    for (i = 0; i < 10; i ++) {
    	if (document.getElementById("cat-menu" + i)) {
        document.getElementById("cat-menu" + i).style.display = "none";
        //document.getElementById("top-nav-" + i).className = "";
      }
    }
}