function changeImages(sName,sImage)
	{
	if (document.images)
		{
		document.images[sName].src = sImage
		}
	}
	
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		btn_logo_over=newImage("images/logo_over.gif");
		btn_logomain_over=newImage("images/logo_main_over.gif");
		btn_kidsplace_over=newImage("images/btn_kidsplace_over.gif");
		btn_teachersplace_over=newImage("images/btn_teachersplace_over.gif");
		btn_parentsplace_over=newImage("images/btn_parentsplace_over.gif");
		btn_partner_over=newImage("images/btn_partner_over.gif");
		btn_kidsplace_over=newImage("images/btn_kidsplaceS_over.gif");
		btn_teachersplace_over=newImage("images/btn_teachersplaceS_over.gif");
		btn_parentsplace_over=newImage("images/btn_parentsplaceS_over.gif");
		btn_partner_over=newImage("images/btn_partnerS_over.gif");
		btn_cheetah_over=newImage("images/btn_cheetah_over.gif");
		btn_seahorse_over=newImage("images/btn_seahorse_over.gif");
		btn_penguins_over=newImage("images/btn_penguins_over.gif");
		btn_rarer_over=newImage("images/btn_rarer_over.gif");
		btn_tortoises_over=newImage("images/btn_tortoises_over.gif");
		btn_terrapins_over=newImage("images/btn_terrapins_over.gif");
		btn_grief_over=newImage("images/btn_grief_over.gif");
		btn_local_over=newImage("images/btn_local_over.gif");
		btn_radio1_on=newImage("images/btn_radio1_on.gif");
		btn_radio2_on=newImage("images/btn_radio2_on.gif");
		btn_radio3_on=newImage("images/btn_radio3_on.gif");
		btn_radio4_on=newImage("images/btn_radio4_on.gif");
		btn_species_over=newImage("images/btn_species_over.gif");
		btn_blogging_over=newImage("images/btn_blogging_over.gif");
		btn_comicmaker_over=newImage("images/btn_comicmaker_over.gif");
		btn_comicgallery_over=newImage("images/btn_comicgallery_over.gif");
		btn_greatlinks_over=newImage("images/btn_greatlinks_over.gif");
		btn_related_over=newImage("images/btn_related_over.gif");
		btn_great_over=newImage("images/btn_great_over.gif");
		btn_whatis_over=newImage("images/btn_whatis_over.gif");
		btn_zamshome_over=newImage("images/btn_zamshome_over.gif");
		btn_buyzams_over=newImage("images/btn_buyzams_over.gif");
		btn_buyzams2_over=newImage("images/btn_buyzams2_over.gif");
		btn_gettingstarted_over=newImage("images/btn_gettingstarted_over.gif");
		btn_seekinghelp_over=newImage("images/btn_seekinghelp_over.gif");
		btn_classextras_over=newImage("images/btn_classextras_on.gif");
		btn_localconnect_over=newImage("images/btn_localconnect_over.gif");
		btn_newsletter_over=newImage("images/btn_newsletter_over.gif");
		btn_cheetahmulti_over=newImage("images/btn_unit_1_multi_over.gif");
		btn_seahorsemulti_over=newImage("images/btn_unit_2_multi_over.gif");
		btn_penguinmulti_over=newImage("images/btn_unit_9_multi_over.gif");
		btn_suggestissue_over=newImage("images/btn_suggestissue_over.gif");
		preloadFlag=true;
	}
}

var preloadFlag = false;
function preloadAdminImages() {
	if (document.images) {
		btn_logomain_over=newImage("../images/logo_main_over.gif");
		btn_kidsplace_over=newImage("../images/btn_kidsplaceS_over.gif");
		btn_teachersplace_over=newImage("../images/btn_teachersplaceS_over.gif");
		btn_parentsplace_over=newImage("../images/btn_parentsplaceS_over.gif");
		btn_partner_over=newImage("../images/btn_partnerS_over.gif");
		preloadFlag=true;
	}
}

function openWindow(theURL,winName,features)
	{
	window.open(theURL,winName,features).focus();
	}

function closeWindow()
	{
	window.close();
	}
	
function getFlashVideo(section,record_num)
	{
	setFlashVariables('video_container','currSection='+section);
	setFlashVariables('video_container','currVideo='+record_num);
	}	
function getFlashAudio(section,record_num)
	{
	setFlashVariables('audio_container','currSection='+section);
	setFlashVariables('audio_container','currVideo='+record_num);
	}
	
var isDHTML=0;
var isLayers=0;
var isAll=0;
var isID=0;

if (document.getElementById)
	{
	isID=1; isDHTML=1;
	}
else
	{
	if (document.layers)
		{
		isLayers=1; isDHTML=1;
		}
	else
		{
		if (document.all)
			{
			isAll=1; isDHTML=1;
			}
		}
	}

function findDOM(objectID,withStyle) {
	if (withStyle == 1) {
		if (isID) { return (document.getElementById(objectID).style); }
		else { 
			if (isAll) { return (document.all[objectID].style); }
		else {
			if (isLayers) { return (document.layers[objectID]); }
		};}
	}
	else {
		if (isID) { return (document.getElementById(objectID)); }
		else { 
			if (isAll) { return (document.all[objectID]); }
		else {
			if (isLayers) { return (document.layers[objectID]); }
		};}
	}
}

if (isLayers)
	{
	origWidth = innerWidth;
	origHeight = innerHeight;
	}
function reloadPage()
	{
	if (innerWidth != origWidth || innerHeight != origHeight)
	location.reload();
	}
if (isLayers)
	onresize=reloadPage;
	
function hidePopup(objectID)
	{
	element = findDOM(objectID,1);
	state = element.visibility;	
	element.visibility = 'hidden';
	}
	
function showPopup(objectID)
	{
	element = findDOM(objectID,1);
	state = element.visibility;
	element.visibility = 'visible';
	
	if (window.pageYOffset)
		{
		element.top=(window.pageYOffset+10)+"px";
		}
	else if (document.documentElement)
		{
		element.top=document.documentElement.scrollTop+10;
		}
	else if (document.body)
		{
		element.top=document.body.scrollTop+10;
		}
	}
	
function reloadIt()
	{
	location.reload();
	}
	
function resetVideoLoc(objectID)
	{
	if (isDHTML)
		{
		domStyle=findDOM(objectID,1);
		dom=findDOM(objectID,0);
		domStyle.top="10px";
		}
	}
	
function resetAudioBtns(num)
	{
	for (i=1; i<(audio_num+1); i++)
		{
		if (i==num)
			{
			changeImages('btn_audio'+i, 'images/btn_audiostop.gif');
			}
		else
			{
			changeImages('btn_audio'+i, 'images/btn_audiostart.gif');
			}
		}
	}