function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function WindowOpen1()
 {
  window.open('sec-code.asp', 'Window1', 'resizable=yes,height=200,width=200,scrollbars=no');
 }


function showsubnav(id)
{
            var elem;
            var i = 1;           
            while(elem = document.getElementById('subnav_' + i))
            {
              elem.style.display = 'none';
              i++;
            }
            document.getElementById('subnav_' + id).style.display = 'block';
}

function hidesubnav()
{
            
            document.getElementById('subnav_1').style.display = 'none';
            document.getElementById('subnav_2').style.display = 'none';
            document.getElementById('subnav_3').style.display = 'none';
            document.getElementById('subnav_4').style.display = 'none';

}

function valregister(theForm)
{


	if (theForm.yourname.value == "")
	{
	alert("Please enter your name");
	theForm.yourname.focus();
	return false;
	}
	
	if (theForm.postal.value == "")
	{
	alert("Please enter your address");
	theForm.postal.focus();
	return false;
	}
	
	if (theForm.phonenumber.value == "")
	{
	alert("Please enter your telephone number");
	theForm.phonenumber.focus();
	return false;
	}
	


}