function numchk() /* 補正数字　numeric check */
   {
   flg=1;        /* flg=1 →　補正オン */
   if(check_tbl(document.myform1.item.value)==false)
     {alert("入力は半角数字のみ可です");
      err=1; }
   } 
   function check_tbl(num_target)
      {
      if (num_target.match(/[0123456789]/))
         {return true;}
      else
         {return false;}
      }

function Open_help(){
	win=window.open("../cal_help.htm","new","toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,width=600,height=700");
   }

d=document
function fontsize(){
d.body.style.fontSize = d.ff.ss.options[d.ff.ss.selectedIndex].text;
tables=new Array
tables=GetObjsByTagName('table')
for(i=0;i<tables.length;i++)tables[i].style.fontSize = d.ff.ss.options[d.ff.ss.selectedIndex].text;
}
function GetObjsByTagName(refElem){
var elems
elems=(d.all)?d.all.tags(refElem):d.getElementsByTagName(refElem)
return elems
}