function CheckSubmitButton()
{
	var enabledButton = document.getElementById ( "enaButton" ) ;
	var disabledButton = document.getElementById ( "disButton" ) ;
	
	if ( document.getElementById ( "chkAgree" ).checked ) {
		disabledButton.style.display = 'none' ;
		enabledButton.style.display = '' ; 
	} else {
		enabledButton.style.display = 'none' ; 
		disabledButton.style.display = '' ;
	}
}

function OpenPopupWindow ( url )
{
	var features = 'height=635,width=550,location=no,menubar=no,scrollbars=yes,status=no,toolbar=no,resize=yes' ;
	
	window.open ( url, 'popupwindow', features ) ;
	return false ;
}