function showAnnouncements(tURL, stImageName, btDropDown){

	new Ajax.Updater('textHolder', tURL , { method: 'post' });
	var announcementObj = $('layer1');
	var relativeTo;
	var offset;
	if(btDropDown) {
		relativeTo = $(stImageName);
		offset = relativeTo.cumulativeOffset();
		var dims = relativeTo.getDimensions();
		announcementObj.setStyle({left: (offset.left+dims.width)+'px', top: (offset.top+dims.height)+'px'});
	} else {
		relativeTo = announcementObj.up();
		offset = relativeTo.cumulativeOffset();
		var left = offset.left + (relativeTo.getWidth() - announcementObj.getWidth())/2;
		var top = offset.top + (relativeTo.getHeight() - announcementObj.getHeight())/2;
		announcementObj.setStyle({left: left+'px', top: top+'px'});
	}
	announcementObj.show();
}

function hideIt() {
	$('layer1').hide();
}