function submit_form(form_name)
 {
  var
   forms=document.getElementsByTagName("form");

  forms[form_name].submit(true);
 }

function loginFocus(a)
 {
  if(a.value=="логин"){a.value="";}
 }

function loginBlur(a)
 {
  if(a.value==""){a.value="логин";}
 }

function passFocus(a)
 {
  if(a.value=="пароль"){a.value="";}
 }

function passBlur(a)
 {
  if(a.value==""){a.value="пароль"}
 }

function preview(id)
 {
  var preview_window;

  var new_window=window.open("./preview.php?id="+id.toString(), preview_window, "width=800px, height=600px, top=0px, left=0px, toolbar=no, status=no");
 }