function gettime(){
	var mod;
	var starttime = 1283499990;    
	var endtime = new Date("2010/11/1");
    endtime = endtime.getTime()/1000;
	var df=(endtime - starttime);
	var dd=parseInt(df/3600/24);
    var sd=-dd + 1;
	mod=df - dd*3600*24;
	var hh=parseInt(mod/3600);
	mod=mod - hh*3600;
	var mm=parseInt(mod/60);
	mod=mod - mm*60;
	var ss=parseInt(mod);
    
    if(starttime>=endtime){
    	document.write("今天是第六次全国人口普查登记第<span class=time>"+sd+"</span>天");
    }else{
		document.write("距第六次全国人口普查登记还有：<span class=time>"+dd+"天 "+hh+"小时 "+mm+"分</span>");
    }
}

gettime();