function popup(url,n,w,h) {
    var ujablak;
    var left=screen.width?(screen.width-w)/2 :100;
    var top=screen.height?(screen.height-h)/2 :100;
    ujablak=window.open(url,n,"width="+w+",height="+h+",top="+top+",left="+left+",scrollbars=1");
    if(window.focus)
        ujablak.focus();
    return false;
}
function dataCopy(f){
    f.szlanev.value=f.szallnev.value;
    f.szlairsz.value=f.szallirsz.value;
    f.szlatelepules.value=f.szalltelepules.value;
    f.szlacim.value=f.szallcim.value;
    return false;
}
function number_format(number, decimals, dec_point, thousands_sep) {
    var n = !isFinite(+number) ? 0 : +number,
        prec = !isFinite(+decimals) ? 0 : Math.abs(decimals),
        sep = (typeof thousands_sep === 'undefined') ? ',' : thousands_sep,
        dec = (typeof dec_point === 'undefined') ? '.' : dec_point,
        s = '',
        toFixedFix = function (n, prec) {
            var k = Math.pow(10, prec);
            return '' + Math.round(n * k) / k;
        };
    // Fix for IE parseFloat(0.55).toFixed(0) = 0;
    s = (prec ? toFixedFix(n, prec) : '' + Math.round(n)).split('.');
    if (s[0].length > 3) {
        s[0] = s[0].replace(/\B(?=(?:\d{3})+(?!\d))/g, sep);
    }
    if ((s[1] || '').length < prec) {
        s[1] = s[1] || '';
        s[1] += new Array(prec - s[1].length + 1).join('0');
    }
    return s.join(dec);
}