function valContactus()
{
    var ctl;
    
    ctl = document.getElementById("ctl00_ContentPlaceHolder1_txtName");
    
    if(isEmpty(ctl))
    {
        alert("Please enter name");
        ctl.focus();
        return false;
    }
   
    ctl = document.getElementById("ctl00_ContentPlaceHolder1_txtAddress");
    
    if(isEmpty(ctl))
    {
        alert("Please enter address");
        ctl.focus();
        return false;
    }
      ctl = document.getElementById("ctl00_ContentPlaceHolder1_txtPhone");
    
    if(isEmpty(ctl))
    {
        alert("Please enter phone number");
        ctl.focus();
        return false;
    }
     ctl = document.getElementById("ctl00_ContentPlaceHolder1_txtMobile");
    
    if(isEmpty(ctl))
    {
        alert("Please enter mobile Number");
        ctl.focus();
        return false;
    }
      ctl = document.getElementById("ctl00_ContentPlaceHolder1_txtEmail");
    
    if(isEmpty(ctl))
    {
        alert("Please enter email");
        ctl.focus();
        return false;
    }
    if(!isEmail(ctl))
    {
         alert("Please enter valid email");
        ctl.focus();
        return false;
    }
     
   
     ctl = document.getElementById("ctl00_ContentPlaceHolder1_txtMessage");
     if(isEmpty(ctl))
    {
        alert("Please enter message");
        ctl.focus();
        return false;
    }
    return true;
}