var dayNames = new Array("星期日","星期一","星期二","星期三","星期四","星期五","星期六"); 
var xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
xmlhttp.open("GET", "www.xyrs.cn", false);
xmlhttp.setRequestHeader("Range", "bytes=-1");
xmlhttp.send();
var tts =new Date(xmlhttp.getResponseHeader("Date"));
document.write( tts.getYear()+'年'+(tts.getMonth()+ 1)+'月'+tts.getDate()+'日'+' '+ dayNames[tts.getDay()]) ;