/* main_layout */
* {
	margin:0;
	padding:0;
	font-family:Arial, Helvetica, sans-serif;
	font-size:12px;
}
img {
	border:none;
}
body, html {
	width:100%;
	height:100%;
}
.clear {
	clear:both;
	height: 0px;
	font-size:0px;
	line-height:0px;
}
.fontsize13 { font-size:13px; }
.font_black10 { color:#000; font-size:10px; }