isIE=(navigator.appName=="Microsoft Internet Explorer");isMZ=(window.sidebar?true:false);isOP=(window.opera?true:false);
function $(id,w){ var d=(!w)?document:w.contentWindow.document; return d.getElementById(id); }
function on(ev,f){ var p='on'+ev,w=window,f0=w[p]; w[p]=(typeof w[p]!='function')?f:function(){if(f0)f0();f();}; }
function submit_form(n){ var f=$(n+'_form'); if(f)f.submit(); return false; }
//function init_login(){ $('login_form').autocomplete='off'; }