function hotels(hotel_id,campaign_id){
var width="100%" //设置iframe的宽度
var height="1500" //设置iframe的高度
document.write("<iframe frameborder=0 scrolling=no height="+height+" width="+width+" src='http://travel.elong.com/hotel/detail_cn_"+hotel_id+".html?campaign_id="+campaign_id+"'></iframe>")
}