var num_of_parts = 3;
var hideMenu = null;

function show_hide( num, act ){
	menu = document.getElementById( 'menu' + num );
	title = document.getElementById( 'title' + num );
	if(act == 'over'){
		clearTimeout(hideMenu);
		menu.style.display = 'block';
		title.className = 'title_over';
	} else {
		menu.style.display = 'none';
		title.className = '';
	}
}

function hide_all_menu() { 
	for ( i=1; i <= num_of_parts; i++ )
		show_hide( i, 'out' );
}

function menu_title_action(num, act){
	if( act == 'over' ){
		hide_all_menu();
		show_hide( num, 'over' );
	} else {
		hideMenu = setTimeout("hide_all_menu()",900);
	}
}


/* ---------------------------------------------*/

var already_cleared_input = false;

function clear_input( input ){
	if( !already_cleared_input ){
		input.className = 'new';
		input.value = '';
		already_cleared_input = true;
	}
}