<script language="JavaScript" type="text/javascript">
[color=#FF0000]var objDrp=document.getElementById("DropDownList1");
var arr_result = new Array();
for(i=0;i<objDrp.options.length;i++)
{
    arr_result[i] = objDrp.options[i].value;  
    
}[/color]
if(document.createRange){
 var range = document.createRange();
}else
 var range = document.body.createTextRange(); 
if(range.findText){
 while(range.findText("和尚")){
  range.pasteHTML(range.text.fontcolor("#ff0000"));
  range.collapse(true);
 }
}else{ 
 var s,n;
 s = window.getSelection();
 while(window.find("和尚")){
  
  var n = document.createElement("SPAN");
  n.style.color="#ff0000" 
  s.getRangeAt(0).surroundContents(n);
 }
}
</script>

range.findText(objDrp.innerHTML)
//OR
range.findText(objDrp.innerText)
//OR
range.findText(objDrp.value)

------解决方案--------------------
我怎么没看到红色的，FF 3.0