body
{
 position:relative;
}

.select_tracking {
	color: #000000;
	background-color: #CCCCCC;
	margin: 10px;
	padding: 10px;
}



.window_header {
	font-family: Arial, Helvetica, sans-serif;
	font-size: 16px;
	background-color:#1D019E;
	width:100%;
	vertical-align: middle;
}
.window_header ._title {
	color: #FFFFFF;
}
.window_header ._close {
	width:30px;
	background-color:#999999;
	color: #000000;
	border: thin outset #333333;
	cursor: pointer;
}


.overlay_background {
   position: fixed;
   z-index:199;
   top: 0px;
   left: 0px;
   height:100%;
   width:100%;
   background-color:#000;
}

.overlay_div{
	position:fixed;
    top: 0px;
    left: 0px;
    display: none;
  	z-index:200;
}