var activeSiteImage = null;

function initSiteImage(id){
	activeSiteImage = id;
}

function showSiteImage(id){	
	hideSiteImage()
	if($('site_image_'+id)) new Effect.Appear('site_image_'+id, {duration:0.3});
	if($('site_image_link_'+id)) $('site_image_link_'+id).style.borderColor='#FF5A00';	
	initSiteImage(id);
}

function hideSiteImage(){
	if($('site_image_'+activeSiteImage)) $('site_image_'+activeSiteImage).hide();
	if($('site_image_link_'+activeSiteImage)) $('site_image_link_'+activeSiteImage).style.borderColor='#B2B2B2';	
}