var menu={
	initialized: false,
	
	show: function(sub, event){
		menu.hideAllSub();
		idsub=sub.readAttribute('submenu');
		//sub.addClassName('active');
		//alert(idsub);
		sub.addClassName('current');
		$(idsub).removeClassName('inactive');
  	},
	hideAllSub: function(){
		submenu.each(function(sub){
		  sub.addClassName('inactive');
		});
		menu.sub.each(function(sub){
		  sub.removeClassName('current');
		});
		
	}
};

menu.sub=$$('#colsx li a.sub');
submenu=$$('#colsx div.inactive');
ie6=navigator.userAgent.indexOf('MSIE 6') > -1;
menu.sub.each(function(sub){
  sub.observe('click', menu.show.curry(sub));
});