function update(){
//var path="http://metaphase.homelinux.com/lawson/";
//var path="http://127.0.0.1/lawson";
var path="http://www.lawson.com.cn";
	var myDate = new Date();
var myHours = myDate.getHours();
	if(myHours > 6 && myHours < 19){
		document.getElementById('rp').style.background="url(http://www.lawson.com.cn/common/images/rp_bg01.gif) top center repeat-y";
		document.getElementById('lawson').style.background="url(http://www.lawson.com.cn/common/images/lawson_bg01.jpg) center top no-repeat";
	}else{
		document.getElementById('rp').style.background="url(http://www.lawson.com.cn/common/images/rp_bg01.gif) top center repeat-y";
		document.getElementById('lawson').style.background="url(http://www.lawson.com.cn/common/images/lawson_bg02.jpg) center top no-repeat";
	}
/*
document.getElementById('po_list').innerHTML='<li><a href="'+path+'/promotion/index.html"><img src="'+path+'/common/images/banner20111207.jpg" alt=""width="176" height="246" /></a></li>';*/
}

window.onload = update;