var mnu_ab_n = new Image; mnu_ab_n.src = "../images/mnu_ab_n.gif";
var mnu_ab_o = new Image; mnu_ab_o.src = "../images/mnu_ab_o.gif";
var mnu_ab_a = new Image; mnu_ab_a.src = "../images/mnu_ab_a.gif";

var mnu_cat_n = new Image; mnu_cat_n.src = "../images/mnu_cat_n.gif";
var mnu_cat_o = new Image; mnu_cat_o.src = "../images/mnu_cat_o.gif";
var mnu_cat_a = new Image; mnu_cat_a.src = "../images/mnu_cat_a.gif";

var mnu_cont_n = new Image; mnu_cont_n.src = "../images/mnu_cont_n.gif";
var mnu_cont_o = new Image; mnu_cont_o.src = "../images/mnu_cont_o.gif";
var mnu_cont_a = new Image; mnu_cont_a.src = "../images/mnu_cont_a.gif";

var mnu_dist_n = new Image; mnu_dist_n.src = "../images/mnu_dist_n.gif";
var mnu_dist_o = new Image; mnu_dist_o.src = "../images/mnu_dist_o.gif";
var mnu_dist_a = new Image; mnu_dist_a.src = "../images/mnu_dist_a.gif";

var mnu_prom_n = new Image; mnu_prom_n.src = "../images/mnu_prom_n.gif";
var mnu_prom_o = new Image; mnu_prom_o.src = "../images/mnu_prom_o.gif";
var mnu_prom_a = new Image; mnu_prom_a.src = "../images/mnu_prom_a.gif";

var mnu_st_n = new Image; mnu_st_n.src = "../images/mnu_st_n.gif";
var mnu_st_o = new Image; mnu_st_o.src = "../images/mnu_st_o.gif";
var mnu_st_a = new Image; mnu_st_a.src = "../images/mnu_st_a.gif";

function goOver(itm) {
        eval("document.images['mnu_" + itm + "'].src = mnu_" + itm + "_o.src");
}

function goOut(itm) {
        eval("document.images['mnu_" + itm + "'].src = mnu_" + itm + "_n.src");
        window.status='';
        return true;
}


function imgPriview(id) {
        var f;
        str = 'preview.php?pr=' + id;

        f = window.open(str,"priview","width=650,height=650,scrollbars=no,resizable=yes,alwaysRaised=yes");
        f.focus();
}

function show_hide( id ) {
  var div = document.getElementById( id );
  if ( div.style.display == 'block' ) {
    div.style.display = 'none';
  } else {
    div.style.display = 'block';
  }
  return;
}

document.onclick = function(evt) {
	var evt = ( evt ) ? evt : window.event;
	var what = ( evt.srcElement ) ? evt.srcElement : evt.target;
	
	if ( what.id != 'acm' && what.id != 'catalogue_menu' ) {
    document.getElementById( "catalogue_menu" ).style.display = 'none';
  }
}