var d;
var uRx;
var uRy;
var len;
function lepakol(pSzo, pRx, pRy) {
    if (len===0) { return true; }
    if (pRx<0 || pRy>=height || pRy<0 || pRx>=width || $('mxTable').rows[pRy].cells[pRx].innerHTML != ' ') {
        return false;
    }
    $('mxTable').rows[pRy].cells[pRx].innerHTML = szavak[pSzo].charAt(len-1);
    len--;
    if (len===0) { return true; }

    console.log(pRx + ' , ' + pRy);

    uRy = pRy;
    uRx = pRx;

    var i = 0;
    do {
        if (i == 0) {
            d = Math.floor(Math.random() * 4);
        } else {
            d = (d+1) % 4;
        }
        switch (d) {
            case 0:
                uRy = pRy;
                uRx = pRx-1;
                break;
            case 1:
                uRy = pRy;
                uRx = pRx+1;
                break;
            case 2:
                uRy = pRy-1;
                uRx = pRx;
                break;
            case 3:
                uRy = pRy+1;
                uRx = pRx;
                break;
        }
        i++;
    } while (i <= 4 && !lepakol(pSzo, uRx, uRy));

    if (i == 4) {
        return false;
    }

    return true;
}