.megaanchor 
{
	width:236px; height:53px;
}
.megaanchor a 
{
    float:left;
    width:236px; height:53px;
}

.menu_img_container
{
	float:left;
	margin:0px;
	padding:0px;
}	
	
#about {
	width:236px;
	height:53px;
}
#about a {
	float:left;
	width:236px;
	height:53px;
	background:url(../images/about.jpg);
}
 
#sponsors {
	width:236px;
	height:53px;
}
#sponsors a {
	float:left;
	width:236px;
	height:53px;
	background:url(../images/sponsors.jpg);
}
#sponsors_selected {
	float:left;
	width:236px;
	height:53px;
	background:url(../images/sponsors_over.jpg);
}

#investigators {
	width:236px;
	height:53px;
}
#investigators a {
	float:left;
	width:236px;
	height:53px;
	background:url(../images/investigators.jpg);
}
 
 
#research {
	width:236px;
	height:53px;
}
#research a {
	float:left;
	width:236px;
	height:53px;
	background:url(../images/research.jpg);
}