function shoeFinder(sType, sKey) {
  var newWinHref="./";
  var sObj=document.getElementById(sKey);
  if (sObj!=null) {
    switch (sType) {
      case "cat":
        sObj=parseInt(sObj[sObj.selectedIndex].value);
        if (!isNaN(sObj) && sObj > 0)
          newWinHref="listing.asp?type=cat&it="+sObj;
        break;
      case "key":
        sObj=String(sObj[sObj.selectedIndex].value);
        if (sObj!="")
          newWinHref="listing.asp?type=key&id="+encodeURIComponent(sObj.substr(0,128));
        break;
      case "size":
        var szChk={
          "S36":{"Size":36},
          "S37":{"Size":37},
          "S38":{"Size":38},
          "S39":{"Size":39},
          "S40":{"Size":40},
          "S41":{"Size":41},
          "S42":{"Size":42}
        };
        sObj=[];
        for (var k in szChk)
          if (document.getElementById(k).checked)
            sObj.push(szChk[k].Size);
        newWinHref="listing.asp?type=size&sz="+sObj.join(",");
        break;
    }
  }
  window.location.href=newWinHref;
}