function focus_login ()
{
	document.getElementById("username").focus();
}

function wopen(url, name, w, h, sb)
{
// Fudge factors for window decoration space.
w += 32;
h += 96;
 var win = window.open(url,
  name,
  'width=' + w + ', height=' + h + ', ' +
  'location=no, menubar=no, ' +
  'status=no, toolbar=no, scrollbars='+ sb +', resizable=no');
 win.resizeTo(w, h);
 win.focus();
}

var isIE = navigator.appName.indexOf("Microsoft") != -1;
var isIE5 = navigator.userAgent.indexOf('MSIE 5.0') > 0;
var isOpera = navigator.userAgent.indexOf("Opera") != -1;
var isSafari = navigator.userAgent.indexOf("AppleWebKit") != -1;
var isFirefox = navigator.userAgent.indexOf( "Firefox/" ) != -1;

function ltrim(s) {
	return s.replace( /^\s*/, "" );
}

function rtrim(s) {
	return s.replace( /\s*$/, "" );
}

function trim(s){
	return rtrim(ltrim(s));
}

function formatPhone (field) {
    field.value = trim(field.value);

    var ov = field.value;
    var v = "";
    var x = -1;

    // is this phone number 'escaped' by a leading plus?
    if (0 < ov.length && '+' != ov.charAt(0)) { // format it
        // count number of digits
        var n = 0;
        if ('1' == ov.charAt(0)) {  // skip it
            ov = ov.substring(1, ov.length);
        }

        for (i = 0; i < ov.length; i++) {
            var ch = ov.charAt(i);

            // build up formatted number
            if (ch >= '0' && ch <= '9') {
                if (n == 0) v += "(";
                else if (n == 3) v += ") ";
                else if (n == 6) v += "-";
                v += ch;
                n++;
            }
            // check for extension type section;
            // are spaces, dots, dashes and parentheses the only valid non-digits in a phone number?
            if (! (ch >= '0' && ch <= '9') && ch != ' ' && ch != '-' && ch != '.' && ch != '(' && ch != ')') {
                x = i;
                break;
            }
        }
        // add the extension
        if (x >= 0) v += " " + ov.substring(x, ov.length);

        // if we recognize the number, then format it
        if (n == 10 && v.length <= 40) field.value = v;
    }
    return true;
}

function addEvent(elm, evType, fn, useCapture)
// addEvent and removeEvent
// cross-browser event handling for IE5+,  NS6 and Mozilla
// By Scott Andrew
{
  if (elm.addEventListener){
    elm.addEventListener(evType, fn, useCapture);
    return true;
  } else if (elm.attachEvent){
    var r = elm.attachEvent("on"+evType, fn);
    return r;
  } else {
    alert("Handler could not be removed");
  }
} 

function SubmitForm() {
  index=document.chResNum.n.selectedIndex;
  page=document.chResNum.n.options[index].value;
  if ( page != "x" ) parent.location=page;
}