var timeout    = 300;
var closetimer = 0;
var ddmenuitem = false;

function jsddm_open(){
    jsddm_canceltimer();
    jsddm_close();
    if(!ddmenuitem){
        $('#submenu_solutions_block').show();
        $('#navi_solutions').addClass('over');
        ddmenuitem = true;
    }
}
function jsddm_close(){
    if(ddmenuitem){
        $('#submenu_solutions_block').hide();
        $('#navi_solutions').removeClass('over');
        ddmenuitem = false;
    }
}
function jsddm_timer(){
    closetimer = window.setTimeout(jsddm_close, timeout);
}
function jsddm_canceltimer(){
    if(closetimer){
        window.clearTimeout(closetimer);
        closetimer = null;
    }
}

$('#navi_solutions').bind('mouseover', jsddm_open);
$('#navi_solutions').bind('mouseout', jsddm_timer);
$('#submenu_solutions_block').bind('mouseover',  jsddm_open);
$('#submenu_solutions_block').bind('mouseleave',  jsddm_timer);
/*document.onclick = jsddm_close;*/