<script type="text/javascript"> function goSelect(){ frm = document.form; if(frm.searchSmart.value=='4'){ document.getElementById("smartArea1").style.display="block"; document.getElementById("smartArea2").style.display="block"; document.getElementById("smartArea3").style.display="none"; document.getElementById("smartArea4").style.display="none"; }else{ document.getElementById("smartArea1").style.display="none"; document.getElementById("smartArea2").style.display="none"; document.getElementById("smartArea3").style.display="block"; document.getElementById("smartArea4").style.display="block"; frm.searchKinds.value="01"; changeGoods(); } } </script> <select name="searchSmart" onChange="goSelect();" style="padding-bottom: 2px;"> <option value=...