<style>
/* 포커스 했을때 input 스타일 변경  */
.input3 {
	color: #333333;
	background-color: #FFFFFF; 
	border-bottom-width: 1px; 
	border: 1px silver solid;
	height: 18; 
	font-size:9pt;
}
.text_focus{
	background-color: #F3F3F3;
	border: 1px solid #3485D7;
	font-weight:bold;
}

.text_blur{
	background-color: white;
	border: 1px solid silver;
	font-weight:none;
}
</style>
<input type=text name=word class=input3 style="width:175px;height:18px" onfocus="this.className='text_focus'" onblur="this.className='text_blur'">