disable 页面旋钮

<span style="width: 350px;"><input id="outNumber" type="text" name="bindNumber" 
		  value="<s:text name='BME.UC.MEMBER.ZONEANDTELPHONE'/>" onkeypress="numberValidate(event);" 
		  style="width: 100px; color: #797979; position: relative; top: 7px"
		  onblur="checkNumber(this);" disabled="disabled" > <span id="inputValidate"></span> 
</span>