function pageLoad(){
    $("ul.m li.mi:nth-child(odd)").css("backgroundColor","#e0e0e0");
    $("ul.m li.mi:nth-child(odd)").css("border","1px solid #efefef");
}
function showHideProductTab(obj,tabname) {
    var fea = document.getElementById('ProdFeatures');
    var req = document.getElementById('ProdRequirements');
    var faq = document.getElementById('ProdFAQs');
    var sup = document.getElementById('ProdSupport');
    var pur = document.getElementById('ProdPurchase');
    if (fea && req && faq && sup && pur){
        $(fea).hide();
        $(req).hide();
        $(faq).hide();
        $(sup).hide();
        $(pur).hide();
    }
    if (tabname && obj) {
        $("div#productDetailsBar a").removeClass("on"); 
        var tab = document.getElementById(tabname);
        if (tab) { 
            $(tab).show(); 
            $(obj).addClass("on");
        }
    }
    
}
function clickButton(e, buttonid){ 
    var evt = e ? e : window.event;
    var bt = document.getElementById(buttonid);
    if (bt){
        if (evt.keyCode == 13){
            bt.click();
            return false;
        }
    }
}