var AgntUsr=navigator.userAgent.toLowerCase();
var AppVer=navigator.appVersion.toLowerCase();
var DomYes=document.getElementById?1:0;
var NavYes=AgntUsr.indexOf("mozilla")!=-1&&AgntUsr.indexOf("compatible")==-1?1:0;
var ExpYes=AgntUsr.indexOf("msie")!=-1?1:0;
var Opr=AgntUsr.indexOf("opera")!=-1?1:0;
var DomNav=DomYes&&NavYes?1:0;
var DomExp=DomYes&&ExpYes?1:0;
var Nav4=NavYes&&!DomYes&&document.layers?1:0;
var Exp4=ExpYes&&!DomYes&&document.all?1:0;
var MacCom=(AppVer.indexOf("mac")!= -1)?1:0;
var MacExp4=(MacCom&&AppVer.indexOf("msie 4")!= -1)?1:0;
var Mac4=(MacCom&&(Nav4||Exp4))?1:0;
var Exp50=AppVer.indexOf("msie 5.0")!= -1?1:0;
var Exp55=AppVer.indexOf("msie 5.5")!= -1?1:0;
var Exp6=(AppVer.indexOf("msie 6")!= -1||AppVer.indexOf("msie 7")!= -1)?1:0;
var MacExp50=(MacCom&&Exp50)?1:0;
var PosStrt=(NavYes||ExpYes)&&!Opr?1:0;
function do_login() { 
	document.login_form.submit() 
}