// run on pageload
dom_addLoadEvent(FixExternalLinks);
// dom_addLoadEvent(correctPNG);



// corrects PNG images to get PNG transparency to work in IE
function correctPNG() {
    for (var i = 0; i < document.images.length; i++) {
        var img = document.images[i];
        var imgName = img.src.toUpperCase();
        if (imgName.substring(imgName.length - 3, imgName.length) == "PNG") {
            var imgID = (img.id) ? "id='" + img.id + "' " : "";
            var imgClass = (img.className) ? "class='" + img.className + "' " : "";
            var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' ";
            var imgStyle = "display:inline-block;" + img.style.cssText;
            if (img.align == "left") imgStyle = "float:left;" + imgStyle;
            if (img.align == "right") imgStyle = "float:right;" + imgStyle;
            if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle;
            var strNewHTML = "<span " + imgID + imgClass + imgTitle + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";" + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader" + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>";
            img.outerHTML = strNewHTML;
            i = i - 1;
        }
    }
}



// ### General Utility & DOM Handling Functions Below This Line



// ### gets an array of objects that match the input start element, tag name, and class name
// Ways of calling the function are:
// To get all a elements in the document with a “info-links” class. 
// getElementsByClassName(document, "a", "info-links"); 
// To get all div elements within the element named “container”, with a “col” and a “left” class. 
// getElementsByClassName(document.getElementById("container"), "div", ["col", "left"]); 
function dom_getElementsByClassName(oElm, strTagName, oClassNames) {
    var arrElements = (strTagName == "*" && document.all) ? document.all :
    oElm.getElementsByTagName(strTagName);
    var arrReturnElements = new Array();
    var arrRegExpClassNames = new Array();
    if (typeof oClassNames == "object") {
        for (var i = 0; i < oClassNames.length; i++) {
            arrRegExpClassNames.push(new RegExp("(^|\\s)" +
            oClassNames[i].replace(/\-/g, "\\-") + "(\\s|$)"));
        }
    }
    else {
        arrRegExpClassNames.push(new RegExp("(^|\\s)" +
        oClassNames.replace(/\-/g, "\\-") + "(\\s|$)"));
    }
    var oElement;
    var bMatchesAll;
    for (var j = 0; j < arrElements.length; j++) {
        oElement = arrElements[j];
        bMatchesAll = true;
        for (var k = 0; k < arrRegExpClassNames.length; k++) {
            if (!arrRegExpClassNames[k].test(oElement.className)) {
                bMatchesAll = false;
                break;
            }
        }
        if (bMatchesAll) {
            arrReturnElements.push(oElement);
        }
    }
    return (arrReturnElements)
}



function dom_addClassName(oElm, strClassName) {
    var strCurrentClass = oElm.className;
    if (!new RegExp(strClassName, "i").test(strCurrentClass)) {
        oElm.className = strCurrentClass + ((strCurrentClass.length > 0) ? " " : "") + strClassName;
    }
}



function dom_removeClassName(oElm, strClassName) {
    var oClassToRemove = new RegExp((strClassName + "\s?"), "i");
    oElm.className = oElm.className.replace(oClassToRemove, "").replace(/^\s?|\s?$/g, "");
}



function dom_hasClassName(oElm, strClassName) {
    return oElm.className.match(new RegExp('(\\s|^)' + strClassName + '(\\s|$)'));
}



// ### adds a function to run at onLoad
function dom_addLoadEvent(func) {
    var oldonload = window.onload;
    if (typeof window.onload != 'function') {
        window.onload = func;
    }
    else {
        window.onload = function() {
            oldonload();
            func();
        }
    }
}

function popWin(URL, WD, HG) {
    var strOptions = "width=" + WD + ",height=" + HG + ",toolbar=no,menubar=no,status=no,resize=no,resizab  le=no,directories=no,scrollbars=yes";
    aWindow = window.open(URL, "popUp", strOptions);
}