function _ss (obj){
	var $$ = $(obj);
	new Effect.ScrollTo('cnt_'+$$.readAttribute('href').substr(1),{offset: -12});
	return false;
}

/*
Event.observe(window, 'load', function(){
		$$('a[href^=#]:not([href=#])').each(function(element){
        	element.observe('click', function(event){
				new Effect.ScrollTo('cnt_'+this.hash.substr(1),{offset: -12});
				Event.stop(event);
		}.bindAsEventListener(element));
});
});*/