/**********************************************************************
  BEGIN MODAL DIALOG HACK CODE (can also be loaded as external .js file)
***********************************************************************/
// Global for brower version branching.
var Nav4 = ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) == 4))

// One object tracks the current modal dialog opened from this window.
var dialogWin = new Object()

// Generate a modal dialog.
// Parameters:
//    url -- URL of the page/frameset to be loaded into dialog
//    width -- pixel width of the dialog window
//    height -- pixel height of the dialog window
//    returnFunc -- reference to the function (on this page)
//                  that is to act on the data returned from the dialog
//    args -- [optional] any data you need to pass to the dialog
function openDialog(url,width, height, returnFunc, args) {
        if (!dialogWin.win || (dialogWin.win && dialogWin.win.closed)) {
                // Initialize properties of the modal dialog object.
                dialogWin.returnFunc = returnFunc
                dialogWin.returnedValue = ""
                dialogWin.args = args
                dialogWin.url = url
                dialogWin.width = width
                dialogWin.height = height
                // Keep name unique so Navigator doesn't overwrite an existing dialog.
                dialogWin.name = "win"
                // Assemble window attributes and try to center the dialog.
                if (Nav4) {
                        // Center on the main window.
                        dialogWin.left = window.screenX +
                           ((window.outerWidth - dialogWin.width) / 2)
                        dialogWin.top = window.screenY +
                           ((window.outerHeight - dialogWin.height) / 2)
                        var attr = "screenX=" + dialogWin.left +
                           ",screenY=" + dialogWin.top + ",     scrollbars=yes,resizable=yes,width=" +
                           dialogWin.width + ",height=" + dialogWin.height
                } else {
                        // The best we can do is center in screen.
                        dialogWin.left = (screen.width - dialogWin.width) / 2
                        dialogWin.top = (screen.height - dialogWin.height) / 2
                        var attr = "left=" + dialogWin.left + ",top=" +
                           dialogWin.top + ",scrollbars=yes,resizable=yes,width=" + dialogWin.width +
                           ",height=" + dialogWin.height
                }

                // Generate the dialog and make sure it has focus.
                dialogWin.win=window.open(dialogWin.url, dialogWin.name, attr)
                dialogWin.win.focus()
        } else {
                dialogWin.win.focus()
        }
}

// Event handler to inhibit Navigator form element
// and IE link activity when dialog window is active.
function deadend() {
        if (dialogWin.win && !dialogWin.win.closed) {
                dialogWin.win.focus()
                return false
        }
}

// Since links in IE4 cannot be disabled, preserve
// IE link onclick event handlers while they're "disabled."
// Restore when re-enabling the main window.
var IELinkClicks

// Disable form elements and links in all frames for IE.
function disableForms() {
        IELinkClicks = new Array()
        for (var h = 0; h < frames.length; h++) {
                for (var i = 0; i < frames[h].document.forms.length; i++) {
                        for (var j = 0; j < frames[h].document.forms[i].elements.length; j++) {
                                frames[h].document.forms[i].elements[j].disabled = true
                        }
                }
                IELinkClicks[h] = new Array()
                for (i = 0; i < frames[h].document.links.length; i++) {
                        IELinkClicks[h][i] = frames[h].document.links[i].onclick
                        frames[h].document.links[i].onclick = deadend
                }
        }
}

// Restore IE form elements and links to normal behavior.
function enableForms() {
        for (var h = 0; h < frames.length; h++) {
                for (var i = 0; i < frames[h].document.forms.length; i++) {
                        for (var j = 0; j < frames[h].document.forms[i].elements.length; j++) {
                                frames[h].document.forms[i].elements[j].disabled = false
                        }
                }
                for (i = 0; i < frames[h].document.links.length; i++) {
                        frames[h].document.links[i].onclick = IELinkClicks[h][i]
                }
        }
}

// Grab all Navigator events that might get through to form
// elements while dialog is open. For IE, disable form elements.
function blockEvents() {
        if (Nav4) {
                window.captureEvents(Event.CLICK | Event.MOUSEDOWN | Event.MOUSEUP | Event.FOCUS)
                window.onclick = deadend
        } else {
                disableForms()
        }
        window.onfocus = checkModal
}
// As dialog closes, restore the main window's original
// event mechanisms.
function unblockEvents() {
        if (Nav4) {
                window.releaseEvents(Event.CLICK | Event.MOUSEDOWN | Event.MOUSEUP | Event.FOCUS)
                window.onclick = null
                window.onfocus = null
        } else {
                enableForms()
        }
}

// Invoked by onFocus event handler of EVERY frame,
// return focus to dialog window if it's open.
function checkModal() {
        if (dialogWin.win && !dialogWin.win.closed) {
                dialogWin.win.focus()
        }
}

/**************************
  END MODAL DIALOG CODE
**************************/

// Function to run upon closing the dialog with "OK".
function setPrefs() {
        // We're just displaying the returned value in a text box.
        document.returned.searchURL.value = dialogWin.returnedValue
}

// Called by "Apply Settings" button to reload the page with
// search string data appended to URL.
function applySettings() {
        if (document.returned.searchURL.value) {
                location.href = "main.html" + document.returned.searchURL.value
        }
}

/*****************************************
      BEGIN CUSTOM PAGE STYLE CODE
******************************************/
// Convert location.search into an array of values
// indexed by name.
function getSearchAsArray() {
        var results = new Array()
        var input = unescape(location.search.substr(1))
        if (input) {
                var srchArray = input.split("&")
                var tempArray = new Array()
                for (i = 0; i < srchArray.length; i++) {
                        tempArray = srchArray[i].split("=")
                        results[tempArray[0]] = tempArray[1]
                }
        }
        return results
}
var srchData = getSearchAsArray()

// Write style sheets with data passed in with location.search,
// or use default values if no data has been passed.
document.write("<STYLE TYPE='text/css'>")
document.write("BODY {font-family:'Comic Sans MS',Helvetica,sans-serif; background-color:" +
   ((srchData["bgColor"]) ? srchData["bgColor"] : "#ffffff") + "; color:" +
   ((srchData["textColor"]) ? srchData["textColor"] : "#000000") + "}")
document.write("H1 {text-align:right; font-size:" +
   ((srchData["h1Size"]) ? srchData["h1Size"] : "24") + "pt}")
document.write("</STYLE>")
/*****************************************
      END CUSTOM PAGE STYLE CODE
******************************************/
function OpenHelp(parameter)
{

        if (!parameter)
                parameter = "";
        openDialog('help.php?'+parameter,600, 400, setPrefs);
}