.bg_logo {
	font-family: Arial, Helvetica, sans-serif;
	background-attachment: scroll;
	background-image:   url(images/bg/logo.jpg);
	background-repeat: no-repeat;
	background-position: left top;
}
.bg_base_curve {
	font-family: Arial, Helvetica, sans-serif;
	background-attachment: scroll;
	background-image:   url(images/bg/base_curve.jpg);
	background-repeat: no-repeat;
	background-position: left top;
}
.main {
	font-family: Arial, Helvetica, sans-serif;
	font-size: 12px;
	font-style: normal;
	font-weight: normal;
	color: #333333;
}
.copyright {
	font-family: Arial, Helvetica, sans-serif;
	font-size: 12px;
	font-style: normal;
	font-weight: bold;
	color: #333333;
}
.main_bigger {
	font-family: Arial, Helvetica, sans-serif;
	font-size: 16px;
	font-style: normal;
	font-weight: normal;
	color: #333333;
}
.main_biggest {
	font-family: Arial, Helvetica, sans-serif;
	font-size: 20px;
	font-style: normal;
	font-weight: normal;
	color: #333333;
}
.bg_videos {
	font-family: Arial, Helvetica, sans-serif;
	background-attachment: scroll;
	background-image:   url(images/bg/videos.jpg);
	background-repeat: no-repeat;
	background-position: left top;
}
.bg_podcasts {
	font-family: Arial, Helvetica, sans-serif;
	background-attachment: scroll;
	background-image:   url(images/bg/podcasts.jpg);
	background-repeat: no-repeat;
	background-position: left top;
}
.bg_about {
	font-family: Arial, Helvetica, sans-serif;
	background-attachment: scroll;
	background-image:   url(images/bg/about.jpg);
	background-repeat: no-repeat;
	background-position: left top;
}
.bg_resources {
	font-family: Arial, Helvetica, sans-serif;
	background-attachment: scroll;
	background-image:   url(images/bg/resources.jpg);
	background-repeat: no-repeat;
	background-position: left top;
}
.bg_getinvolved {
	font-family: Arial, Helvetica, sans-serif;
	background-attachment: scroll;
	background-image:   url(images/bg/getinvolved.jpg);
	background-repeat: no-repeat;
	background-position: left top;
}
.bg_blank {
	font-family: Arial, Helvetica, sans-serif;
	background-attachment: scroll;
	background-image:   url(images/bg/blank.jpg);
	background-repeat: no-repeat;
	background-position: left top;
}
.bg_blank_2 {
	font-family: Arial, Helvetica, sans-serif;
	background-attachment: scroll;
	background-image:   url(images/bg/blank_2.gif);
	background-repeat: no-repeat;
	background-position: left top;
}
.bg_base_curve_2 {
	font-family: Arial, Helvetica, sans-serif;
	background-attachment: scroll;
	background-image:   url(images/bg/base_curve_2.gif);
	background-repeat: no-repeat;
	background-position: left top;
}
.earlierversion {
	background-attachment: scroll;
	background-image: url(images/earlierversion.gif);
	background-repeat: no-repeat;
	background-position: left top;
}