javascript Öпؼþ±³¾°É«µÄÉèÖÃ

function Search(){
//Èç¹ûÇ°Ò»¸ö¿Ø¼þµÄÖµ´óÓÚºóÒ»¸ö¿Ø¼þµÄÖµ(Ç°ÌáÊǺóÒ»¸ö¿Ø¼þ²»ÊÇ¿Õ,¿ÕµÄÇé¿öϲ»×öÈκδ¦Àí)
 if(document.forms[0].koteifrom.value > document.forms[0].koteiTo.value && document.forms[0].koteiTo.value != ""){
  alert('messageÄÚÈÝ');
  var koteifrom = document.getElementById("koteifrom");//¿Ø¼þµÄÈ¡µÃ
  var koteiTo = document.getElementById("koteiTo");//¿Ø¼þµÄÈ¡µÃ
  koteifrom.style.backgroundColor = "#ffcccc";//¿Ø¼þµÄ±³¾°É«±äΪ×غìÉ«,´¦Àí½áÊø
  koteiTo.style.backgroundColor = "#ffcccc";
        return;
 }
    document.forms[0].action="./xxxxxxxxAction.do";
    document.forms[0].submit();
}
ÔÚhtmlÖÐÓÐÒÔÏÂÁ½¸ö¿Ø¼þ:
<td width="530px">
            <html:select  name="xxxxxxForm" property="koteifrom" style="width:250px;" >
       <html:optionsCollection name="SCOM" property="key(xxxxx).subKey(KoteiComboList)" />
      </html:select> ¡« <html:select name="xxxxxxForm"  property="koteiTo"  style="width:250px;" >
       <html:optionsCollection name="SCOM" property="key(xxxxx).subKey(KoteiComboList)" />
      </html:select>
        </td>