function checkterms(message) {
valid = true;
        if (document.booking.terms.checked == false)
        {
                alert ( message );
                valid = false;
        }
return valid;
}

function showButton(text) {
document.write('<input type="submit" class="colour-button" value="'+text+'" />');	
}

function ismaxlength(obj){
var mlength=obj.getAttribute? parseInt(obj.getAttribute("maxlength")) : ""
if (obj.getAttribute && obj.value.length>mlength)
obj.value=obj.value.substring(0,mlength)
}