var pOver = true;
var aDescriptionParts = new Array( ['about'] , ['box'] , ['gallery'] , ['reviews'] );

function swapImg( pId ) {
	pImg = document.getElementById( pId );
	if ( pOver ) {
		pPostfix = '_over.gif';
		pOver = false;
	}else {
		pPostfix = '_out.gif';
		pOver = true;
	}
	pImg.src = 'imp/menu/' + pId + pPostfix;
}

function showDescriptionPart( sID ) {
	for ( i = 0 ; i < aDescriptionParts.length ; i++ ) {
		document.getElementById( aDescriptionParts[ i ] ).style.display = 'none';
	}
	document.getElementById( sID ).style.display = 'block';
}

function openokno( sUrl , iWidth , iHeight )	{
  okienko = window.open ( sUrl , "okno" , 'dependent=yes,toolbar=no,directories=no,location=no,status=no,menubar=no,scrollbars=yes,resizable=yes' );
	okienko.resizeTo( iWidth , iHeight ); 
	okienko.focus();
}