if (navigator.appName == "Microsoft Internet Explorer") { 
    document.write("<link rel='stylesheet' href='/styles/webconf_iestyle.css' type='text/css'>"); } 
 else if ((navigator.appVersion.indexOf("Mac") != -1)) { 
    document.write("<link rel='stylesheet' href='/styles/webconf_macstyle.css' type='text/css'>"); } 
 else { 
    document.write("<link rel='stylesheet' href='/styles/webconf_netstyle.css' type='text/css'>"); }

function popdemowindow(height,width,path) {
  mywindow=window.open(path, 'mywindow','scrollbars=no,resizable=no,height=' + height + ',width=' + width);
  mywindow.focus();
}

function popscrollwindow(height,width,path) {
  mywindow=window.open(path, 'mywindow','scrollbars=yes,resizable=yes,height=' + height + ',width=' + width);
  mywindow.focus();
}