ns4 = (document.layers)?true:false;
ie4 = (document.all)?true:false;
dom = (document.getElementById)? true : false;

var menuActive = 0;
var menuOn = 0;
var onLayer;
var timeOn = null;
var loaded = 0;

function show(elemId) {
	if (timeOn != null) {
  		clearTimeout(timeOn);
  		hide(onLayer);  }
	if (dom) document.getElementById(elemId).style.visibility = "visible";
    else if (ie4) document.all[elemId].style.visibility = "visible";
      else if (nn4) document.layers[elemId].visibility = "show";
	onLayer = elemId;
}

function hide(elemId) {
	if (menuActive == 0) {
	if (dom) document.getElementById(elemId).style.visibility = "hidden";
    else if (ie4) document.all[elemId].style.visibility = "hidden";
      else if (nn4) document.layers[elemId].visibility = "hide";}
}

function lnkTimer() {
	timeOn = setTimeout("lnkOut()",900);}

function lnkOut(elemId) {
	if (menuActive == 0) hide(onLayer);}

function menuOver(elemId) {
	clearTimeout(timeOn);
	menuActive = 1;
}

function menuOut(elemId) {
	menuActive = 0; 
	timeOn = setTimeout("hide(onLayer)", 600);
}

function dhide(){
	if (timeOn != null) {
  		clearTimeout(timeOn);
  		hide(onLayer);  }
}
function showFull(url, width, height)
{
		width = width+50;
		height = height+50;
		full = window.open(url, 'full', 'width=' + width + ',height=' + height + ',resizable,scrollbars');
}