var prev_cat = '1';

function switch_to(cat)
{
	if (prev_cat != null) document.getElementById('menu_' + prev_cat).style.display = 'none';
	document.getElementById('menu_' + cat).style.display = 'block';
	pos = (cat*1.0-1)*25+10;
	document.getElementById('sel_menu').style.top = pos + 'px';
	document.getElementById('list_' + prev_cat).style.borderRight = '1px solid #aea375';
	document.getElementById('list_' + prev_cat).style.paddingRight = '10px';
	document.getElementById('list_' + cat).style.paddingRight = '11px';
	document.getElementById('list_' + cat).style.borderRight = 'none';
	prev_cat = cat;
}