function oauth_prepare_login_form(selector) {
	var elm = $(selector);
	//$(document).ready(function() {
		elm.attr('target', 'oauthlogin-popup');
		elm.attr('method', 'post');
		elm.attr('action', elm.attr('action') + '?js=true');
		elm.submit(function() {
			var w = 450;
			var h = 640;
			var centerWidth = (window.screen.width - w) / 2;
			var centerHeight = (window.screen.height - h) / 2;
			
			window.open('', 'oauthlogin-popup', 'width='+w+',height='+h+',resizable=yes,scrollbars=yes,top='+centerHeight+',left='+centerWidth);
		});
	//});
}