function validateForm() {
  var er,ret=true,args=validateForm.arguments;
  for(i=0;i<args.length;i++){
    er=false;
    if($(args[i]).className=='chkEmail'){c=$F(args[i]).indexOf('@');if(c<1 || c==($F(args[i]).length-1)) er=true;}
    else if($(args[i]).className=='chkNumber'){c=parseFloat($F(args[i]));if(isNaN(c)) er=true;}
    else if($F(args[i])==''){er=true;}
    if(er){ret=false;$('er_'+args[i]).style.display='block';}else{$('er_'+args[i]).style.display='none';}
  }
  document.retVal=ret;
}

function setKind() {
  $('at_company').style.display=$F('kind_personal') ? 'none':'inline';
}

function setAddress(zip) {
  var myAjax = new Ajax.Request('http://ag-c.jp/zip/',{method:'get',parameters:"z="+zip,onComplete:function(req){$('state').value=req.responseXML.getElementsByTagName('state').item(0).firstChild.nodeValue;$('address').value=req.responseXML.getElementsByTagName('address').item(0).firstChild.nodeValue;}});
}