复制代码 代码如下: <BR> function txtFocus(el) {<BR> if (el.defaultValue == el.value) { el.value = ''; el.style.color = '#000'; }<BR> } <P> function txtBlur(el) {<BR> if (el.value == '') { el.value = el.defaultValue; el.style.color = '#666'; }<BR> }<BR>
