function showSearchOpts(){
	$('searchOpts').show();
}
function hideSearchOpts(){
	$('searchOpts').hide();
}
function hidepopup(){
	$('opaque').hide();
	$('popupcontainer').hide();
	$('popupcontent').update();

}
function showpopup(height,width,url){
	$('opaque').show();
	$('popupcontainer').show();
	new Ajax.Updater('popupcontent','/static/guestbook.html');
}