function yaf_top(obj) {
    return obj.offsetParent ? obj.offsetTop + yaf_top(obj.offsetParent) : obj.offsetTop;
}

function scrolTo(el4scrol) {
    window.scroll(0, yaf_top(el4scrol) - 20);
}

function deleteCharFromField(obj) {

    var str = new String(obj.value);

    if (str.indexOf('|') >= 0) {
        obj.value = str.replace('|', " ");
    }
}