var timeoutHandle;

$(document).ready(function() {

    BindMouseHover($(".helptext"));

});

function BindMouseHover(elements) {
    $(elements).hover(
        function() {
            timeoutHandle = setTimeout('HandleMouseHover(true)', 1000);
        },
        function() {
            HandleMouseHover(false);
        }
    );
}

function HandleMouseHover(bDelay) {
    if (bDelay) {
        $(".tooltip").show();
    }
    else {
        $(".tooltip").hide().delay(1000);
        clearTimeout(timeoutHandle);
    }
}