function initATTabs() {
    var ele = document.getElementById("attabs");
    var eleul = ele.getElementsByTagName("ul")[0];
    var lis = eleul.getElementsByTagName("li");
    for (var i = 0; i < lis.length; i++) {
        var elemli = lis[i];
        if (hasClassName(elemli, "tab")) {
            var eleid = elemli.id;
            var eledv1 = document.createElement("div");
            var eledv2 = document.createElement("div");
            var curronclick = elemli.onclick;
            if (!curronclick) {
                eledv2.setAttribute("onclick", "click('" + eleid + "')");
                var elemtxt = elemli.firstChild;
                var elemval = elemtxt.nodeValue;
                var lnkelem = document.createElement("a");
                lnkelem.setAttribute("href", "javascript:click('" + eleid + "')");
                lnkelem.appendChild(elemtxt);
                var arrow = document.createElement("span");
                arrow.setAttribute("class", "arrow");
                arrow.className = "arrow";
                arrow.appendChild(document.createTextNode("\u00a0"));            
                lnkelem.appendChild(arrow);
                eledv2.appendChild(lnkelem);
                eledv1.appendChild(eledv2);
                elemli.appendChild(eledv1);
            } else {
                var eledvanchor = elemli.firstChild.firstChild.firstChild;
                var elemtxt = eledvanchor.firstChild;
                var elemval = elemtxt.nodeValue;
                
                var arrow = document.createElement("span");
                arrow.setAttribute("class", "arrow");
                arrow.className = "arrow";
                arrow.appendChild(document.createTextNode("\u00a0"));            
                eledvanchor.appendChild(arrow);
            }
        }
    }
    var eleinn = document.getElementById("tabcontentsinner");
    var eletabs = eleinn.getElementsByTagName("div");
    for (var j = 0; j < eletabs.length; j++) {
        var eletab = eletabs[j];
        if (hasClassName(eletab, "tabcontent")) {
            if (!hasClassName(eletab, "initvis")) {
                eletab.style.display = "none";
            }
        }
    }
}
function addClassName(elem, classname) {
    if (!hasClassName(elem, classname)) { elem.className += (elem.className ? ' ' : '') + classname; }
}
function removeClassName(elem, classname) {
    elem.className = elem.className.replace(new RegExp("(^|\\s+)" + classname + "(\\s+|$)"), ' ');
}
function hasClassName(elem, classname) {
    var elemclassname = elem.className;
    if (elemclassname.length > 0) {
        return (elemclassname == classname) || new RegExp("(^|\\s)" + classname + "(\\s|$)").test(elemclassname);
    }
    return false;
}
function click(eleid) {
    var ele = document.getElementById("attabs");
    var eleul = ele.getElementsByTagName("ul")[0];
    var lis = eleul.getElementsByTagName("li");
    for (var i = 0; i < lis.length; i++) {
        var elemli = lis[i];
        if (elemli.id != eleid) {
            if (hasClassName(elemli, "first")) {
                removeClassName(elemli, "firstselected");
            } else if (hasClassName(elemli, "last")) {
                removeClassName(elemli, "lastselected");                
            } else {
                removeClassName(elemli, "selected");
            }
        } else {
            if (hasClassName(elemli, "first")) {
                addClassName(elemli, "firstselected");
            } else if (hasClassName(elemli, "last")) {
                addClassName(elemli, "lastselected");
            } else {
                addClassName(elemli, "selected");
            }
        }
    }
    var tabname = eleid + "content";
    var eletabs = document.getElementById("tabcontents");
    var eledvs = eletabs.getElementsByTagName("div");
    for (var i = 0; i < eledvs.length; i++) {
        var eledv = eledvs[i];
        if (hasClassName(eledv, "tabcontent")) {
            if (eledv.id == tabname) {
                eledv.style.display = "block";
//                fixPageHeight();
            } else {
                eledv.style.display = "none";
            }
        }
    }
}

function fixPageHeight() {
    if (isIE8()) {
        var discp = document.getElementById("pricedisc");
        document.getElementById("custom-wrapper").style.height = discp.offsetTop + discp.offsetHeight + 250 + "px";
    }
}

function isIE8() {
    if (navigator.appName == 'Microsoft Internet Explorer') {
        var ua = navigator.userAgent;
        var re = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");
        if (re.exec(ua) != null) {
            var rv = parseFloat(RegExp.$1);
            if (rv >= 8) {
                return true;
            }
        }
    }
    return false;
}