codice:
<input style="margin-bottom: 3px; border: 1px solid #048cff;" type="text" name="title" value="Inserisci il titolo!" onfocus="if(this.value==this.defaultValue)this.value=''" onblur="if(this.value=='')this.value=this.defaultValue"/>

<input style="border: 1px solid #048cff; width: 450px; margin: 3px auto;" type="text" name="tag" onfocus="if(this.value==this.defaultValue)this.value=''" onblur="if(this.value=='')this.value=this.defaultValue" value="Inserisci Tag separati da una virgola" />