function showMailForm()
        {
            var mailform = document.getElementById("mailform");            
            //mailform.setAttribute("style","display:block");
            mailform.style.display = "block";
        }
function switchTab(divId)
    {
        var currTab = document.getElementById(divId);
        var mainDiv = document.getElementById("tabContent");
        for (i=0; i<mainDiv.childNodes.length; i++){
            if (mainDiv.childNodes[i].nodeName=="DIV")
                mainDiv.childNodes[i].style["display"] = "none";
        }
        currTab.style["display"] = "block";
    }