window.onerror = null;
 var bName = navigator.appName;
 var bVer = parseInt(navigator.appVersion);
 var NS4 = (bName == "Netscape" && bVer >= 4);
 var IE4 = (bName == "Microsoft Internet Explorer" && bVer >= 4);
 var NS3 = (bName == "Netscape" && bVer < 4);
 var IE3 = (bName == "Microsoft Internet Explorer" && bVer < 4);
 var menuActive = 0
 var menuOn = 0
 var onLayer
 var timeOn = null
 var loaded = 0


// LAYER SWITCHING CODE
if (NS4 || IE4) {
	if (navigator.appName == "Netscape") {
		layerStyleRef="layer.";
		layerRef="document.layers";
		styleSwitch="";
	}
	else{
		layerStyleRef="layer.style.";
		layerRef="document.all";
		styleSwitch=".style";
	}
}

 
function layershow(){
   var i, visStr, args, theObj;
   args = layershow.arguments;
   
   for (i=0; i<(args.length-2); i+=3) {
      visStr   = args[i+2];
  
      if (navigator.appName == 'Netscape' && document.layers != null) {
          theObj = eval(args[i]);
          if (theObj) theObj.visibility = visStr;
      } else if (document.all != null) {
          if (visStr == 'show') visStr = 'visible';
          if (visStr == 'hide') visStr = 'hidden';
          theObj = eval(args[i+1]);
          if (theObj) theObj.style.visibility = visStr;
      }
   }
}

//---- SHOW MENU --------------------------------------------------------------
function showLayer(layerName){
	if (NS4 || IE4) {
		if (timeOn != null) {
			clearTimeout(timeOn)
			hideLayer(onLayer)
		}
		if (NS4 || IE4) {
			eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="visible"');
		}
		onLayer = layerName;
	}
}

//---- HIDE MENU --------------------------------------------------------------
function hideLayer(layerName){
	if (menuActive == 0) {
		if (NS4 || IE4) {
			eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="hidden"');
		}
	}
}

//---- TIMER FOR BUTTON MOUSE OUT ---------------------------------------------
function btnTimer() {
	menuActive=0
	timeOn = setTimeout("btnOut()",500)
}

//---- BUTTON MOUSE OUT -------------------------------------------------------
function btnOut(layerName) {
	menuActive=0
	if (menuActive == 0) {
		hideLayer(onLayer)
	}
}

//---- MENU MOUSE OVER --------------------------------------------------------
function menuOver(itemName) {
	clearTimeout(timeOn)
	menuActive = 1
}

//---- MENU MOUSE OUT ---------------------------------------------------------
function menuOut(itemName,viewTime) {
	menuActive = 0 
	timeOn = setTimeout("hideLayer(onLayer)", viewTime)
}