function OpacityObject(divId, strPath) {
    this.id = divId;
    this.path = strPath;
    if (ns) {
        if (browserVersion >= 5) {
            this.layerObject = document.getElementById(divId).style;
        } else {
            this.layerObject = eval("document." + divId);
        }
    } else {
        this.layerObject = eval(divId + ".style");
    }
    this.setBackground = od_object_setBackground;
}

function od_object_setBackground() {
    if (pngAlpha) {
        this.layerObject.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + this.path + ".png', sizingMethod='scale')";
    } else if (pngNormal) {
        this.layerObject.backgroundImage = "url(" + this.path + ".png)";
    } else {
        this.layerObject.backgroundImage = "url(" + this.path + ".gif)";
    }
}

function od_displayImage(strId, strPath, intWidth, intHeight, strClass, strAlt, strTitle) {
    if (pngAlpha) {
        document.write("<div style=\"height:" + intHeight + "px;width:" + intWidth + "px;filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + strPath + ".png', sizingMethod='scale')\" id=\"" + strId + "\" class=\"" + strClass + "\" title=\"" + strTitle + "\"></div>");
    } else if (pngNormal) {
        document.write("<img src=\"" + strPath + ".png\" width=\"" + intWidth + "\" height=\"" + intHeight + "\" name=\"" + strId + "\" border=\"0\" class=\"" + strClass + "\" alt=\"" + strAlt + "\" title=\"" + strTitle + "\" />");
    } else {
        document.write("<img src=\"" + strPath + ".gif\" width=\"" + intWidth + "\" height=\"" + intHeight + "\" name=\"" + strId + "\" border=\"0\" class=\"" + strClass + "\" alt=\"" + strAlt + "\" title=\"" + strTitle + "\" />");
    }
}

function od_rollOver(strId, strColor) {
    if (pngAlpha) {
        document.getElementById(strId).style.backgroundColor = strColor;
    } else {
        if (document.images && flag == true) {
            document[strId].src = eval(strId + "on.src");
        }
    }
}

function od_rollOut(strId, strColor) {
    if (pngAlpha) {
        document.getElementById(strId).style.backgroundColor = strColor;
    } else {
        if (document.images) {
            document[strId].src = eval(strId + "off.src");
        }
    }
}


if (typeof (browser) != "undefined") {
    // if IE5.5+ on win32, then display PNGs with AlphaImageLoader
    if ((browser.isIE55 || browser.isIE6up) && browser.isWin32) {
        var pngAlpha = true;
        var strExt = ".png";
        // else, if the browser can display PNGs normally, then do that. that list includes:
        // -Gecko Engine: Netscape 6 or Mozilla, Mac or PC
        // -IE5+ Mac (OpacityObject applies the background image at 100% opacity)
        // -Opera 6+ PC
        // -Opera 5+ Mac (Doesn't support dynamically-set background images)
        // -Opera 6+ Linux
        // -Omniweb 3.1+
        // -Icab 1.9+
        // -WebTV
        // -Sega Dreamcast
    } else if ((browser.isGecko) || (browser.isIE5up && browser.isMac) || (browser.isOpera && browser.isWin && browser.versionMajor >= 6) || (browser.isOpera && browser.isUnix && browser.versionMajor >= 6) || (browser.isOpera && browser.isMac && browser.versionMajor >= 5) || (browser.isOmniweb && browser.versionMinor >= 3.1) || (browser.isIcab && browser.versionMinor >= 1.9) || (browser.isWebtv) || (browser.isDreamcast)) {
        var pngNormal = true;
        var strExt = ".png";
        // otherwise, we use plain old GIFs
    } else {
        var strExt = ".gif";
    }
}
var ns = (document.all)?false:true;
var browserVersion = parseFloat(navigator.appVersion);

function isdefined(variable) {
    return (typeof (window[variable]) == "undefined") ? false : true;
}