function valContact()
{
    var ctl;
 
    ctl = document.getElementById("txtEmail");
    
    if(isEmpty(ctl))
    {
        alert("Please enter email");
        ctl.focus();
        return false;
    }
    if(!isEmail(ctl))
    {
         alert("Please enter valid email");
         ctl.focus();
         return false;
    }
   
    return true;
}