function clear_input(id) {
if (id.value == id.defaultValue)
id.value = '';
return true;
}

function removeSpaces(string) {
 return string.split(' ').join('');
}

function clear_style(caller) {
caller.removeAttribute('style');
if (caller.value == caller.defaultValue)
caller.value = caller.defaultValue;
return false;
}

function createNode() {
var name=document.getElementById('form_name');
var phone=document.getElementById('form_phone');
var time=document.getElementById('form_time');
var mail=document.getElementById('form_mail');
if (mail.value == mail.defaultValue || removeSpaces(mail.value) == '')
mail.value = 'Не указан';
if (time.value == time.defaultValue || removeSpaces(time.value) == '')
time.value = 'Не важно';
var _body = document.childNodes[0].childNodes[1];
var _script = document.createElement('script');
_script.setAttribute('src', 'send_mail.php?ukey=manager&name='+name.value+'&phone='+phone.value+'&time='+time.value+'&mail='+mail.value);
_body.appendChild(_script);
/*var _form = document.getElementById('back_call');
var _infodiv = document.createElement('div');
_infodiv.setAttribute('id', 'back_call_infodiv');
var _txt = document.createTextNode("Ваше сообщение отправлено");
_infodiv.appendChild(_txt);
_body.insertBefore(_infodiv,_form);*/
return true;
}

function validate_form() {
var name = document.getElementById('form_name');
var phone = document.getElementById('form_phone');
if (removeSpaces(name.value).length < 3 || name.value == name.defaultValue) {
name.style.border = "2px solid #FF0000";
name.value = '';
name.focus();
return false;
}
else if (removeSpaces(phone.value).length < 7 || phone.value == phone.defaultValue) {
phone.style.border = "2px solid #FF0000";
phone.value = '';
phone.focus();
return false;
}
else {
createNode();
document.getElementById('ok_msg').style.display = 'block';
setTimeout("history.back()", 2000);
return true;
}
}