ie=document.all?1:0;
n=document.layers?1:0;
dom=document.getElementById?1:0;



preload('aboutOn','images/nav_about_on.gif');
preload('aboutOff','images/nav_about_off.gif');
preload('admissionOn','images/nav_admission_on.gif');
preload('admissionOff','images/nav_admission_off.gif');
preload('programsOn','images/nav_programs_on.gif');
preload('programsOff','images/nav_programs_off.gif');
preload('calendarOn','images/nav_calendar_on.gif');
preload('calendarOff','images/nav_calendar_off.gif');
preload('contactOn','images/nav_contact_on.gif');
preload('contactOff','images/nav_contact_off.gif');
preload('homeOn','images/nav_home_on.gif');
preload('homeOff','images/nav_home_off.gif');

preload('additionalOn','images/snav_additional_on.gif');
preload('additionalOff','images/snav_additional_off.gif');
preload('downloadsOn','images/snav_downloads_on.gif');
preload('downloadsOff','images/snav_downloads_off.gif');
preload('historyOn','images/snav_history_on.gif');
preload('historyOff','images/snav_history_off.gif');
preload('kindergartenOn','images/snav_kindergarten_on.gif');
preload('kindergartenOff','images/snav_kindergarten_off.gif');
preload('learningOn','images/snav_learning_env_on.gif');
preload('learningOff','images/snav_learning_env_off.gif');
preload('olderOn','images/snav_older_on.gif');
preload('olderOff','images/snav_older_off.gif');
preload('overviewOn','images/snav_overview_on.gif');
preload('overviewOff','images/snav_overview_off.gif');
preload('parentOn','images/snav_parent_info_on.gif');
preload('parentOff','images/snav_parent_info_off.gif');
preload('processOn','images/snav_process_on.gif');
preload('processOff','images/snav_process_off.gif');
preload('staffOn','images/snav_staff_on.gif');
preload('staffOff','images/snav_staff_off.gif');
preload('youngerOn','images/snav_younger_on.gif');
preload('youngerOff','images/snav_younger_off.gif');

function preload(imgObj,imgSrc) {
	if (document.images) {
		eval(imgObj+' = new Image()')
		eval(imgObj+'.src = "'+imgSrc+'"')
	}
}
/**
function swapOn(imgName,layer) {
	if (document.images) {
		if (document.layers && layer!=null) eval('document.'+layer+'.document.images["'+imgName+'"].src = '+imgName+'On.src')
		else eval('document.'+imgName+'Img.src = '+imgName+'On.src')
	}

}

function swapOff(imgName,layer) {
	if (document.images) {
		if (document.layers && layer!=null) eval('document.'+layer+'.document.images["'+imgName+'"].src = '+imgName+'Off.src')
		else eval('document.'+imgName+'Img.src = '+imgName+'Off.src')
	}

}
**/


function swapOn(imgName) {
	eval('document.'+imgName+'Img.src = '+imgName+'On.src')
	
}

function swapOff(imgName) {
	eval('document.'+imgName+'Img.src = '+imgName+'Off.src')
}