$.ajax({
url: 'http://www.boc.cn/sourcedb/whpj/',
type: 'GET',
success: function(res) {
debugger;
var headline = $(res.responseText).find('.main').next();
var i = 0;
headline.find("tr").each(function(){
i++;
if(i%2==1){
$(this).addClass("old");
}
var childrens = $(this).children();
$(childrens[1]).remove();
$(childrens[2]).remove();
$(childrens[3]).remove();
$(childrens[4]).remove();
});
$("#container").append(headline);
}});