$(function(){window.setTimeout(function(){
	var l = $('<div><a href="http://www.gcff.ca/register"<img src="/2010/resource/images/sideadv/left.png"></a></div>') //左边广告
			.css({
			position:'absolute',
			'z-index':'3',
			overflow:'hidden',
			width:136,
			height:900,
			top:168,
			left:$('#header').offset().left - 138,
			background:'#FFFFFF',
			display:'none'
		})
		.appendTo('body')
		.slideDown(2000);	
	var r = $('<div><img src="/2010/resource/images/sideadv/right.jpg" /></div>') //右边广告
		.css({
			position:'absolute',
			'z-index':'1',
			overflow:'hidden',
			width:136,
			height:900,
			top:168,
			left:$('#header').offset().left + $('#header').width() + 2,
			background:'#FFFFFF',
			display:'none'
		})
		.appendTo('body')
		.slideDown(2000);
}, 5000);});