function show(menu) {
	
	if(menu == 'main') {
		document.getElementById('main_selected').style.display = 'none' ;
		document.getElementById('main_entries').style.display = 'block' ;
	
	}

	
	

	
}

function hide(menu) {
	
	if(menu == 'main') {
	
		document.getElementById('main_selected').style.display = 'block' ;
		document.getElementById('main_entries').style.display = 'none' ;
	}

			
			
	

}