<input name="email" id="email" onfocus="iFocus(this)" onblur=setTimeout("iBlur(this)",500)>
可以，但是这样就不可以了,firefox提示：useless setTimeout call (missing quotes around argument?)：
<input name="email" id="email" onfocus="iFocus(this)" onblur="setTimeout(iBlur(this),500)">