function getValue(objid,str){ 
var myField=document.getElementById(""+objid);//IE嫻忚鍣?/span>
if (document.selection) { 
myField.focus(); sel = document.selection.createRange(); sel.text = str; sel.select(); 
} //鐏嫄/緗戞櫙 嫻忚鍣?nbsp; else if (myField.selectionStart || myField.selectionStart == '0') { //寰楀埌鍏夋爣鍓嶇殑浣嶇疆 var startPos = myField.selectionStart; //寰楀埌鍏夋爣鍚庣殑浣嶇疆 var endPos = myField.selectionEnd; // 鍦ㄥ姞鍏ユ暟鎹箣鍓嶈幏寰楁粴鍔ㄦ潯鐨勯珮搴?nbsp; var restoreTop = myField.scrollTop; myField.value = myField.value.substring(0, startPos) + str + myField.value.substring(endPos, myField.value.length); //濡傛灉婊氬姩鏉￠珮搴﹀ぇ浜? if (restoreTop > 0) { // 榪斿洖 myField.scrollTop = restoreTop; } myField.focus(); myField.selectionStart = startPos + str.length; myField.selectionEnd = startPos + str.length; } else { myField.value += str; myField.focus(); } 
}]]>