<script>
function onFocusInput(element) {
if (element.value==element.defaultValue)
{
element.value='';
element.style.color = '#000000';
}
}
function onBlurInput(element) {
if (element.value=='')
{
element.value=element.defaultValue
element.style.color = '';
}
}
</script>
<div id="findInputBottomBox"><input type="text" autocomplete="off" maxlength="255" onblur="onBlurInput(this);" onfocus="onFocusInput(this);" value="请输入关键字" name="query" id="findInputBottom" ></div><div id="findBtnBottomBox"><button name="" id="findSubmitBottom"></button></div>
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