function makeWin(url) {    agent = navigator.userAgent;    windowName = "Schedule";    params  = "";    params += "toolbar=0,";    params += "location=0,";    params += "directories=0,";    params += "status=1,";    params += "menubar=0,";    params += "scrollbars=1,";    params += "resizable=1,";    params += "width=500,";    params += "height=300";    win = window.open(url, windowName , params);    if (agent.indexOf("Mozilla/2") != -1 && agent.indexOf("Win") == -1) {        win = window.open(url, windowName , params);    }    if (!win.opener) {        win.opener = window;    }}