function GetHeight(cal_box3,cal_box4)
{
    var app = navigator.appName.charAt(0);
    if(navigator.userAgent.indexOf('Safari') != -1){
        document.getElementById(cal_box3).height = parent.frames[cal_box4].document.body.scrollHeight + 20;
    }else if (app == "N")
    {
        document.getElementById(cal_box3).height = parent.frames[cal_box4].document.height +20;
    }
    else
    {
        document.getElementById(cal_box3).height = parent.frames[cal_box4].document.body.scrollHeight + 20;
    }
}