function pShowHide(strName) {
    if ($(strName).is(':hidden')) {
        $(strName).show();
    }
    else {
        $(strName).hide();
    }
}
function imgPlusMinus(strName) {
    if ($(strName).attr("src") == "../images/btn.plus.gif") {
        $(strName).attr({src: "../images/btn.minus.gif"});
        }
    else {
        $(strName).attr({src: "../images/btn.plus.gif"});
        }
}