var tenda ={
	
	open:function(){
		var bump=$$('.mainitems');
		var meus=$$('.submenus');
		bump.setStyle("cursor","pointer");
		bump.addEvent("mouseenter", function(event) {
			meus.setStyle("display","block");
		});
		bump.addEvent("mouseleave", function(event) {
			meus.setStyle("display","none");
		});
	}	

}
window.addEvent('domready',tenda.open);