function showMask(html) {
	var loader = jQuery("#div_maskContainer");
	if (null == loader || loader.length == 0) {
		loader = jQuery("<div id='div_maskContainer'><div id='div_Mask' ></div><div id='div_loading'></div></div>");
		jQuery("body").append(loader);
	}
	self.loader = loader;
	var w = jQuery(window).width();
	var h = jQuery(window).height();
	var divMask = jQuery("#div_Mask");
	var scrollTop = document.documentElement.scrollTop;
	//divMask.css("top",scrollTop).css("left", 0).css("width", w).css("height", h);
	var tipDiv = jQuery("#div_loading");
	var image = "<img src='"+ basePath +"/shop/images/pub/3g_logo.gif?date="+(new Date()).getTime()+"' align='absmiddle'/>";
	tipDiv.html(image);
	loader.show();
	var x = (w - tipDiv.width()) / 2;
	var y = (h - tipDiv.height()) / 2;
	/*tipDiv.css("left", x);
	tipDiv.css("top", y+scrollTop);*/
}

function hideMask() {
	var loader = jQuery("#div_maskContainer");
	if (loader.length == 0)
		return;
	loader.remove();
}