function validate()
{
        //if (document.getElementById("txtname").value=="")
        //{
        //    alert('Please insert name.');
        //    document.getElementById("txtname").focus();
        //    return false;
        //}        

        if (document.getElementById("txtlogin").value=="")
        {
            alert('Please enter user name.');
            document.getElementById("txtlogin").focus();
            return false;
        }
        if (document.getElementById("txtpwd").value=="")
        {
            alert('Please enter password.');
            document.getElementById("txtpwd").focus();
            return false;
        }
        if (document.getElementById("txtconfirmpwd").value=="")
        {
            alert('Please confirm password.');
            document.getElementById("txtconfirmpwd").focus();
            return false;
        }

        if (document.getElementById("txtconfirmpwd").value!=document.getElementById("txtpwd").value)
        {
            alert('Confirm password entry does not match password.');
            document.getElementById("txtconfirmpwd").focus();
            return false;
        }
        if(document.getElementById("txtemail").value!="")
        {
            var email=document.getElementById("txtemail").value;
            len=email.length;
            var no=0;
            for(var i=0;i<len;i++)
            {
                if(email.charAt(i)=="@")
                {
                    no=no+1;
                }
            }
            //alert(email);
            if (email == 0 || email=="" )
            {
                alert("Please enter your email address.");
                document.getElementById("txtEmail").focus();
                return false;
            }
            else if (email.indexOf("@") < 0)
            {
                alert("Please enter valid Email address");
                document.getElementById("txtEmail").focus();
                return false;
            }
            // Email Checker
            else if (email.indexOf(".") < 0)
            {
                alert("Incorrect email address. Please re-enter");
                document.getElementById("txtEmail").focus();
                return false;
            }
            // Email Checker
            else if (email.indexOf(" ") >= 0)
            {
                alert("Incorrect email address. Please re-enter");
                document.getElementById("txtEmail").focus();
                return false;
            }
            if(no>=2)
            {
                alert("Please do not enter more than one E-mail address.");
                document.getElementById("txtemail").value="";
                document.getElementById("txtemail").focus();
                return false;
            }           
            
        }
        
            if (document.getElementById("txtsecurity").value=="")
            {
            alert('Please enter security code.');
            document.getElementById("txtsecurity").focus();
            return false;
            }

            if (document.getElementById("txtsecurity").value!=document.getElementById("rndnum").value)
            {
            alert('Security code entered does not match!');
            document.getElementById("txtsecurity").focus();
            return false;
            }
            
        document.getElementById("CMS_form").action="act_register.php";
        document.getElementById("CMS_form").submit();
}