＜script type="text/javascript">
＜!--
function MM_setTextOfTextfield(objId,x,newText) { //v9.0
with (document){ if (getElementById){
var obj = getElementById(objId);} if (obj) obj.value = newText;
}
}
//-->
＜/script>
＜input name="name1" type="text" id="name1" onfocus="MM_setTextOfTextfield('name1','','')" value="初值"/>
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