function PopUp(width, height, name, url) {
    if (!url) url = "about:blank";
    var settingi = "top=50,left=50,titlebar=no,toolbar=0,width="+width+",height="+height+",scrollbars=1,resize=1,resizable=1";
    open(url, name, settingi);
}
function in_array(chto, gde) {
    for (var i = 0; i < gde.length; i++) 
        if (chto == gde[i]) return true;
    return false;
}

function delElement(id) {
    elem = document.getElementById(id);
    elem.parentNode.removeChild(elem);
}