var timer = new Array();

function menu(obj,state) {

    if (obj.id.substr(0,4) == 'menu') {
        pid = obj.id.substr(4);
    } else  {
        pid = obj.id.substr(7);
    } 

    objPar      = document.getElementById('par'+pid);
    objMenu     = document.getElementById('menu'+pid);
    objUitklap  = document.getElementById('subitem'+pid);
    
    if (state=='block') {
        objUitklap.style.left = objPar.offsetLeft + 2;    
        objUitklap.style.top  = objPar.offsetTop + objPar.offsetHeight;
        objUitklap.style.display = 'block';
        if (timer[pid]>0) {
            window.clearTimeout(timer[pid])
            timer[pid] = 0;
        }
    } else {
        timer[pid] = window.setTimeout("klapin("+pid+")", 50);
    }
    
}

function klapin(pid) {
    objUitklap  = document.getElementById('subitem'+pid);
    objUitklap.style.display = 'none';timer["+pid+"]=0;
    timer[pid] = 0;
}


function cases(obj,state) {

    objImg = obj.childNodes[0];

    if (state=='over') {
        obj.style.backgroundImage = "url('images/cases_bg.gif')";
        objImg.src = objImg.src.substr(0,objImg.src.length-4) + "_kl.gif";
    } else {
        obj.style.backgroundImage = "none";
        objImg.src = objImg.src.substr(0,objImg.src.length-7) + ".gif";
    }
}