homeBtnOut = new Image();
homeBtnOut.src = "/images/nav_home_out.gif";
aboutusBtnOut = new Image();
aboutusBtnOut.src = "/images/nav_aboutus_out.gif";
activitiesBtnOut = new Image();
activitiesBtnOut.src = "/images/nav_activities_out.gif";
corporateBtnOut = new Image();
corporateBtnOut.src = "/images/nav_corporate_out.gif";
calendarBtnOut = new Image();
calendarBtnOut.src = "/images/nav_calendar_out.gif";
formsBtnOut = new Image();
formsBtnOut.src = "/images/nav_forms_out.gif";
contactusBtnOut = new Image();
contactusBtnOut.src = "/images/nav_contactus_out.gif";
mailinglistBtnOut = new Image();
mailinglistBtnOut.src = "/images/nav_mailinglist_out.gif";

homeBtnOver = new Image();
homeBtnOver.src = "/images/nav_home_over.gif";
aboutusBtnOver = new Image();
aboutusBtnOver.src = "/images/nav_aboutus_over.gif";
activitiesBtnOver = new Image();
activitiesBtnOver.src = "/images/nav_activities_over.gif";
corporateBtnOver = new Image();
corporateBtnOver.src = "/images/nav_corporate_over.gif";
calendarBtnOver = new Image();
calendarBtnOver.src = "/images/nav_calendar_over.gif";
formsBtnOver = new Image();
formsBtnOver.src = "/images/nav_forms_over.gif";
contactusBtnOver = new Image();
contactusBtnOver.src = "/images/nav_contactus_over.gif";
mailinglistBtnOver = new Image();
mailinglistBtnOver.src = "/images/nav_mailinglist_over.gif";


//roll over menu starts here
function img_act(imgName) {
	imgOn = eval(imgName + "Over.src");
	document[imgName].src = imgOn;
}

function img_inact(imgName) {
	imgOff = eval(imgName + "Out.src");
	document[imgName].src = imgOff;
}

function init(){
      if (navigator.appName == "Netscape") {

			layerStyleRef="layer.";
 			layerRef="document.layers";
 			styleSwitch="";
		}
	
}

function showLayer(layerName){
		if(document.layers){
			eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.display=""');
		}else{
			eval('document.getElementById('+ "'" + layerName + "'" +').style.display = ""');
		}
}
 	
function hideLayer(layerName){
		 if(document.layers){
			eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.display="none"');
		}else{
			eval('document.getElementById('+ "'" + layerName + "'" +').style.display = "none"');
		}	
}