$(document).ready(function(){
	// fix png transparency
	$(document).pngFix({blankgif: HTTP_ROOT+'template/js/blank.gif'});

	// show loader
	$('#loading').ajaxStart(function(){
		$(this).css({top: parseInt($(window).height()/2 + $(window).scrollTop())}).show();
	}).ajaxStop(function(){
		$(this).fadeOut();
	});
});

/**
 * Load Ajax
 */
function loadAjax(file, target, params)
{
	$.ajax({
		url: HTTP_ROOT + file,
		data: (params!=undefined ? params : ''),
		type: "post",
		dataType: 'html',
		error: function(object, message){
			$(target).html(message);
		},
		success: function(response){
			$(target).html(response);
		}
	});
}