function ShowHideMenu01() {
	if(document.getElementById('menu_01').className == "hidden")
	{
		document.getElementById('menu_01').className="menu_01";
		document.getElementById('about').className="item_hover";
	}
	else
	{
		document.getElementById('menu_01').className="hidden";
		document.getElementById('about').className="item";
	}
}

function ShowHideMenu02() {
	if(document.getElementById('menu_02').className == "hidden")
	{
		document.getElementById('menu_02').className="menu_02";
		document.getElementById('abonent').className="item_hover";
	}
	else
	{
		document.getElementById('menu_02').className="hidden";
		document.getElementById('abonent').className="item";
	}
}

function ServiceShow(blockid)
{
    var blocks = new Array();
    blocks[0] = 'phone_block';
    blocks[1] = 'forsazh_block';
    blocks[2] = 'ivpn_block';
    blocks[3] = 'real_ip_block';
    blocks[4] = 'express_block';
    blocks[5] = 'dc_block';
    blocks[6] = 'kredit_block';
    blocks[7] = 'irc_block';
    blocks[8] = 'retracker_block';
    blocks[9] = 'ntp_block';
    blocks[10] = 'ua-ix_block';
    blocks[11] = 'domain_block';
    blocks[12] = 'zvonki_block';
    
    for (var i=0;i<blocks.length;i++) {
        var hideBlock = blocks[i];
        if(hideBlock != blockid) document.getElementById(hideBlock).className = 'hidden';
    }
    
    if(document.getElementById(blockid).className != 'hidden') document.getElementById(blockid).className = 'hidden';
    else{
        document.getElementById(blockid).className = 'shown';
        new Effect.Highlight(blockid, { startcolor: '#ffff99',
endcolor: '#ffffff' }); return false;
    }
}