function ShowSmth(x) {
	document.getElementById(x).style.display='block';
}

function HideSmth(x) {
	document.getElementById(x).style.display='none';
}
function MidAct(id) {
	document.getElementById(id).style.backgroundImage = 'url(/img/mid_menu_bull_a.gif)';
}
function MidDeAct(id) {
	document.getElementById(id).style.backgroundImage = 'url(/img/mid_menu_bull_na.gif)';
}