<!--

/**
 * Preload Images
 */

var preloadFlag = false;

function preloadImages()
{
    var arrImages = new Array();
    var strImageName = '';
    var counter = 0;

    for (i = 0; i < document.images.length; i++) {
        strImageName = document.images[i].name;
        if (strImageName != '') {
            arrImages[counter] = new Image();
            arrImages[counter].src = '/images/buttons/' + strImageName + '_over.gif';
            counter++;
        }
    }

    preloadFlag = true;
}


/**
 * Preload Images
 */

function swap(name, over)
{
    if ((document.images) && (preloadFlag)) {
        if (over == 'over') {
            var source = '/images/buttons/' + name + '_over.gif';
        } else {
            var source = '/images/buttons/' + name + '.gif';
        }
        document.images[name].src = source;
    }
}


/**
 * Popup
 */

var popupWindow = null;
var openwin = null;
var num = 1;

function popup(myTarget, myWidth, myHeight, myScroll)
{
    // quick check for parameters...
    if (!myTarget || !myWidth || !myHeight) {
        alert("JAVASCRIPT ERROR: the popup() function is missing parameters.");
        return;
    }

    // internet explorer can close the open window (windows only)...
    isMac = (navigator.appVersion.indexOf("Mac") != -1);
    if (popupWindow && document.all && !isMac) {
        popupWindow.close();
        popupWindow = null;
    }

    // set the width and height based on myWidth and myHeight...
    var winwidth  = myWidth;
    var winheight = myHeight;

    // determine how to position the window based on myHeight and myWidth...
    if (window.screen) {
        var wintop  = eval((screen.availHeight - winheight)/2);  // calculated top value
        var winleft = eval((screen.availWidth - winwidth)/2);    // calculated left value
    } else  {
        var wintop  = 100;
        var winleft = 100;
    }

    // take care of window naming...
    var myName = "gr_popup_" + num + "";
    openwin = myName;

    // set attributes...
    var myAttributes = "";
    myAttributes += "top=" + wintop + ",left=" + winleft + ",width=" + winwidth + ",height=" + winheight + ",";
    if (myScroll == "no") {
        myAttributes += "scrollbars=no,resizable=no,status=no";
    } else {
        myAttributes += "scrollbars=yes,resizable=no,status=no";
    }

    // open the window...
    popupWindow = window.open(myTarget,myName,myAttributes);

    // update the counter...
    num++;

    // focus on window...
    if (parseInt(navigator.appVersion) >= 4) {
        // delay a bit here because of IE4 bug...
        setTimeout('popupWindow.focus();', 250);
    }
}


function printPage()
{
    if (window.print) {
        setTimeout('window.print();', 50);
    } else if (navigator.platform.indexOf('Win') != -1) {
        alert("Press 'Ctrl+P' on your keyboard to print.");
    } else {
        alert("Press 'Cmd+P' on your keyboard to print.");
    }
}

// -->