function checkTheBox(typeStr){
        var cbArray = new Array;
         cbArray = typeStr.split(",");
          var str=document.getElementsByName("cbType");
            var objarray=str.length;
             for(i=0;i<cbArray.length;i++){
                for (j=0;j<objarray;j++){
                      if(str[j].value == cbArray[i]){
                         chestr+=str[j].value+",";
                         alert(chestr);
                         str[j].checked = true;
                      }
                }
            }