function doChange(objText, objDrop)...{ if(document.myform.BriefTopic.selectedIndex<2)...{ document.myform.BriefTopic.selectedIndex+=1; } if (!objDrop) return; var str = objText.value; var arr = str.split("|"); var nIndex = objDrop.selectedIndex; objDrop.length=1; for (var i=0; i<arr.length; i++)...{ objDrop.options[objDrop.length] = new Option(arr[i], arr[i]); document.myform.ImageUrl.value=arr[i]; } objDrop.selectedIndex = nIndex;}