var createUL = function(){
    var ul = document.createElement("ul");
    var companyTabs = document.getElementById("companyTabs");
    var companyTabCollection = companyTabs.getElementsByTagName("div");
    for (var i = 0; i < companyTabCollection.length; i++){
        var tab = companyTabCollection[i];
        var heading = tab.getElementsByTagName("h1");
        
        var li = document.createElement("li");
        var anchor = document.createElement("a");
        anchor.id = "tab" + (i + 1);
        anchor.href = "#";
        anchor.innerHTML = heading[0].innerHTML;
        anchor.onclick = function(){
            hideTabs();
            showTab(this.id);
        }
        li.appendChild(anchor);
        ul.appendChild(li);
        tab.removeChild(heading[0]);
    }
    if (companyTabCollection[0] != null){
        companyTabs.insertBefore(ul, companyTabCollection[0]);
    }
}

var hideTabs = function(){
    var companyTabs = document.getElementById("companyTabs");
    var companyTabCollection = companyTabs.getElementsByTagName("div");
    for (var i = 0; i < companyTabCollection.length; i++){
        companyTabCollection[i].style.display = "none";
    }
}

var showTab = function(tabToShow){
    var index = tabToShow.substr(3);
    var companyTabCollection = document.getElementById("companyTabs").getElementsByTagName("div");
    if (companyTabCollection[index - 1] != null){
        companyTabCollection[index - 1].style.display = "";
    }
    var li = document.getElementById(tabToShow).parentNode;
    var ul = li.parentNode;
    var liCollection = ul.getElementsByTagName("li");
    for (var i = 0; i < liCollection.length; i++){
        liCollection[i].className = "";
    }
    li.className = "selected";
}