function $(element) {
        var el = document.getElementById(element);
        return el;
    }
    function $F(element) {
        var v = document.getElementById(element).value;
        return v;
    }

    function check()
    {
        if($F('firstname')=="")
        {
            alert('Please enter your first name');
            $('firstname').focus();
            return false;
        }
        if($F('lastname')=="")
        {
            alert('Please enter your last name');
            $('lastname').focus();
             return false;
        }
        if($F('position')=="")
        {
            alert('Please enter your position');
            $('position').focus();
             return false;
        }
        if($F('company')=="")
        {
            alert('Please enter your company');
            $('company').focus();
             return false;
        }
        if($F('mail')=="")
        {
            alert('Please enter your email');
            $('mail').focus();
             return false;
        }
        if($F('phone')=="")
        {
            alert('Please enter your phone');
            $('phone').focus();
             return false;
        }
        if($F('address')=="")
        {
            alert('Please enter your address');
            $('address').focus();
            return false;
        }
        if($F('city')=="")
        {
            alert('Please enter your city');
            $('city').focus();
             return false;
        }
        if($F('state')=="")
        {
            alert('Please enter your state');
            $('state').focus();
             return false;
        }
        if($F('zip')=="")
        {
            alert('Please enter Zip Code');
            $('zip').focus();
            return false;
        }
        if($F('txtsum')=="")
        {
            alert('Please enter summary of planned SAP projects');
            $('txtsum').focus();
            return false;
        }
    }