var Overlay = {
	ShowOverlay: function(divID){
		if($('#overlay').length == 0) $('body').append('<div id="overlay"></div>');
		if($('#overlaycontainer').length == 0) $('body').append('<div id="overlaycontainer"></div>');
		
		$('#overlaycontainer').append($('#'+divID+''));
		
		if (jQuery.browser.msie) { $('#overlay').css('background-image', 'none').css('filter', 'alpha(opacity=50)'); }
		$('#overlay').fadeIn('fast', function() {
            $('#overlaycontainer').fadeIn(250);
        });
	},
	HideGrastonOverlay: function(){
		$('#grastonoverlay').fadeOut('fast',function(){
			$('#overlaycontainer').fadeOut('slow');
			$('#overlay').fadeOut('slow',function(){
				$('#overlaycontainer').remove();
				$('#overlay').remove();
				$('#grastonoverlay').remove();
			});
		});
	},
	HidePromoOverlay: function(){
		$('#promooverlay').fadeOut('fast',function(){
			$('#overlaycontainer').fadeOut('slow');
			$('#overlay').fadeOut('slow',function(){
				$('#overlaycontainer').remove();
				$('#overlay').remove();
				$('#promooverlay').remove();
			});
		});
	},
	PlayGratson: function(){
		if($('#grastonoverlay').length == 0) $('body').append('<div id="grastonoverlay"><div class=\"noflash\"><h2>Download Flash</h2>Please <a href=\"http://get.adobe.com/flashplayer/\" target=\"_blank\">click here</a> to download and install the flash player plug-in.</div></div>');
		var so = new SWFObject("/assets/root/include/flash/GrastonTechniqueSlideShow.swf", "GrastonTechniqueSlideShow", "550", "400", "8", "#FFFFFF");
		so.write("grastonoverlay");
		$('#grastonoverlay').prepend('<a href="javascript:;" id="closeoverlay" onclick="Overlay.HideGrastonOverlay();">close</a>');
		Overlay.ShowOverlay('grastonoverlay');
	},
	PlayPromoVideo: function(){
		var currentTime = new Date();

		if($('#promooverlay').length == 0) $('body').append('<div id="promooverlay"><div class=\"noflash\"><h2>Download Flash</h2>Please <a href=\"http://get.adobe.com/flashplayer/\" target=\"_blank\">click here</a> to download and install the flash player plug-in.</div></div>');
		var so = new SWFObject("/assets/root/include/flash/videoplayer_promo.swf?"+currentTime.getTime()+"", "PromoVideo", "640", "393", "8", "#FFFFFF");
		so.addVariable("videoContentPath", '/assets/root/include/video/ConceptChiropracticandRehab.v3.flv');
		so.addVariable("videoSkin", "/assets/root/include/flash/SteelExternalAll.swf");
		so.addParam("wmode", "transparent");
		so.write("promooverlay");
		$('#promooverlay').prepend('<a href="javascript:;" id="closeoverlay" onclick="Overlay.HidePromoOverlay();">close</a>');
		Overlay.ShowOverlay('promooverlay');
	}
}