function center_on_window(obj)
{
	var w = obj.outerWidth();
	var h = obj.outerHeight()
	obj.css({
		position:'absolute',
		top: parseInt($(window).scrollTop() + ($(window).height() - h) / 2 - 100),
		left: parseInt($(window).scrollLeft() +($(window).width() - w) / 2)
	});
}
function create_floating_msg(msg_data)
{
	if($('.floating_msg').length) {$('.floating_msg').remove();}
	$('<div class="floating_msg"></div>').appendTo("body");
	var obj = $('.floating_msg');
	if(msg_data.width) { obj.width(msg_data.width); }
	if(msg_data.height) { obj.height(msg_data.height); }
	center_on_window(obj);
	obj.html('<img src="/js/loading1.gif" width="16" height="16" vspace="50">');
	return obj;
}
function get_form_params(form)
{
	var form_params={};	
	$('input, textarea', form).each(function() {
			if($(this).attr('name'))
			{
				var value = $(this).attr('value');
				if($("input[name='"+$(this).attr('name')+"']", form).is(':radio')) 
				{ 
					value = $("input[name='"+$(this).attr('name')+"']:checked", form).val();
				}
				form_params[$(this).attr('name')] = value;
			}
		})
	form_params['rnd'] = Math.random();
	form_params['utf8'] = 1;		
	return form_params;
}