var selectedTip = 'WEB';
var showingDiv = document.getElementById(selectedTip + 'Div');

function showForm(Tip){
var selectedTip = 'WEB';

        selectedTip = Tip;
//alert('type is ' + uriType);
        var divObj = document.getElementById(Tip + 'Div');
//alert('type is ' + uriType + ' obj is ' + divObj);
        if (showingDiv == null)
                showingDiv = document.getElementById('WEBDiv');
        //showingDiv.style.visibility = "hidden";
        showingDiv.style.display = "none";
        showingDiv = divObj;
        //divObj.style.visibility = "visible";
        divObj.style.display = "block";

        return true;    }