var x= new Date(); 
var day; 
if (x.getDay()==0) day="日"; 
if (x.getDay()==1) day="一"; 
if (x.getDay()==2) day="二"; 
if (x.getDay()==3) day="三"; 
if (x.getDay()==4) day="四"; 
if (x.getDay()==5) day="五"; 
if (x.getDay()==6) day="六"; 

       function checkSelf(id,idstr,nums)
       {
           var blueBack=id;
           for(var s=1;s<=nums;s++)
           {
                if(s==blueBack)
                {
                    document.getElementById(idstr+s).style.display="";
                }
                else
                {
                    document.getElementById(idstr+s).style.display="none";
                }
           }
       }