<input name="textfield" type="text" value="点击添入标题" onfocus="if (value =='点击添入标题'){value =''}"onblur="if (value ==''){value='点击添入标题'}"/>
<textarea name="textarea" cols="80" rows="17" onfocus="if(value=='正文:'){value=''}" onblur="if (value ==''){value='正文:'}"></textarea>