.menuminwidth0 {             /* for all browsers (non-IE) that obey min-width */
	position:relative;
	border:0;
	margin:0;
	padding:0;
	width:100%;
	height:55px;/* 36px masthead height + 18px button height + 1px lower border*/
	min-width:560px;
}


* html .menuminwidth1 { /* this allows IE5/6 to simulate min-width capability */
	position:relative;  /* we can simulate a minimum width by creating a large */
	float:left;          /* border in this first div, then placing our content */
	height: 1px;          /* into a second nested div (see 2nd nested div next */
	border-left:560px solid #fff;    /* CSS box-model borders are a fixed size */
}

* html .menuminwidth2 {    /* used to simulate min-width capability for IE5/6 */
	position:relative;
	margin-left:-560px;
	height: 1px;
}


 /*========================= TOP OF THE MENU CASCADE =========================*/

.menu {
	position:relative;        /*establish a menu-relative positioning context */
	float:right;                                     /* play nicely with others */
	margin:0;
	padding:0;
	border:0;
	height:28px;                                  /* the menu's overall height */
	width:680px;         /* we always want our menu to fill the available space */
	border-bottom:0px solid black;        /* give us a black border underneath */
	background:url(images/main-bg-navbar.png) repeat-x;
	padding-left:60px;
	background-color:black;
	font: 12px Trebuchet MS;
	z-index:1000;
}

.menu img {
	vertical-align: top;      /* prevent images from being pushed down by text */
}


.menu ul 
{
	
	margin:0px 0px 0px -90px;
	border:0;	
	font: 12px Trebuchet MS;
	z-index:1000;
	list-style-type:none;          /* we don't want to view the list as a list */
	line-height:1.5em;           /* globally set the menu's item spacing. note */
}                               /* this must be 1.0 or 1.5 or 2.0 for Mozilla */

.menu li {
	float:left;    /* this creates the side-by-side array of top-level buttons */
	position:relative;     /*create local positioning contexts for each button */
	margin:0;
	line-height:24px;
	list-style-type:none;
	padding:0px;	
}

.menu span
{
	padding-left:5px;
}

.menu ul li table {
	margin:-1px 0;              /* IE5 needs -1px top and bottom table margins */
	margin:0;               /* re-zero the table margins for everyone but IE5 */
	border-collapse:collapse;      /* IE5 needs this for the sub-menus to work */
	font-size:12px;        /* this sets the base font size for our entire menu */
}

.drop {
	display:block;
	padding:0px 0.33em;	       /* this sets the l/r margins for our menu item */
	margin:0;
	text-align:right;   /* this right alignment goes with the float:left below */
	cursor:pointer;      /* IE tries to switch back to an I-beam, don't let it */
	cursor:hand;           /* IE5 only knows about "hand", so set it both ways */
}

.drop span {        /* this simultaneously left and right aligns the text and */
	float:left;       /* the >> in the drop-down menus which link to sub-menus */
}

.rightmenu {
	position:relative;  /* establish a local positioning context for YAH label */
	float:right;                  /* and right-align it at the top of our page */
}

#research {            /* this rightmost "Research" button must be positioned */
	position:absolute;       /* absolutely so that the YAH (you are here) text */
	top:0px;               /* label will slide underneath it under Opera v8.54 */
	left:364px;    /* which has a z-order sequencing bug with abs-pos elements */
}

/*======================== TOP LEVEL MENU DEFINITIONS ========================*/

.menu ul li ul {
	display:none;                  /* initially hide the entire list hierarchy */
	padding:1px;                               /* this is our box border width */
}

.menu ul li a,
.menu ul li a:visited {                    /* unselected top-level menu items */
	display:block;
	float:left;
	text-decoration:none;
    color:#fff;
    font-weight: bold;
    padding: 5px 45px 0 5px;
	height:24px;
    line-height: 16px;
}

.menu ul li:hover a,
.menu ul li a:hover {                        /* selected top-level menu items */
	border-top:0px solid #000;    /* these 2 lines create the push-in illusion */
	color:#fff;
	text-decoration:none;
}

/*======================== 2ND LEVEL MENU DEFINITIONS ========================*/

.menu ul li:hover ul,
.menu ul li a:hover ul {                           /* 2nd level drop-down box */
	display:block;
	position:absolute;
	margin:0;
	top:18px;              /* place us just up underneath the top-level images */
	left:-1px;       /* left-align our drop-down to the previous button border */
	height:auto;      /* the drop-down height will be determiend by line count */
	width:160px;
	color:black;                        /* this sets the unselected-text color */
	background:#fff;          /*this sets our menu's effective "border" color */
	margin-top:5px;
	border-left:solid 1px #ccc;
	border-top:solid 1px #ccc;
	border-right:solid 1px #ccc;
	padding:0px;	
}

.menu ul li:hover ul.leftbutton,
.menu ul li a:hover ul.leftbutton {/* our first dropdown should not be skewed */
	left:0px;
}


.menu ul.rightmenu li:hover ul,
.menu ul.rightmenu li a:hover ul {    /* 2nd level neighborhood drop-down box */
	left:auto;
	right:0;         /* nudge the right menu right to line up under the border */
}

* html .menu ul.rightmenu li a:hover ul {         /* IE5/6 needs a tweak here */
	right:-1px;
}

.menu ul li:hover ul li a,
.menu ul li a:hover ul li a {                   /* 2nd level unselected items */
	border:0;
	margin:0;
	padding:0;
	height:auto;
	color:#004A3D;               /* this sets the unselected drop-down text color */
	background:#fff;       /* this sets the drop-down menu background color */
	width:160px;
	font-weight:normal;
	line-height: 24px;	
}

.menu ul li:hover ul li,
.menu ul li a:hover ul li {                   /* 2nd level unselected items */
        border-bottom: solid 1px #ccc;
}

.menu ul li:hover ul li:hover a,
.menu ul li a:hover ul li a:hover {                /* 2nd level selected item */
	color:#004A3D;
	font-weight:bold;
	line-height: 24px;	
	background: url(images/main-delimiter.png) 0% 0px no-repeat;                                   
	background-color:#efefef;
}

/*======================== 3RD LEVEL MENU DEFINITIONS ========================*/

.menu ul li:hover ul li ul,
.menu ul li a:hover ul li a ul {             /* hide inactive 3rd-level menus */
	visibility:hidden;
}
     
.menu ul li:hover ul li:hover ul,
.menu ul li a:hover ul li a:hover ul {             /* 3rd level drop-down box */
	visibility:visible;
	position:absolute;
	margin-top:-1px;	      /* bring the top edge of the 3rd level menu up one */
	top:0;
	left:160px;
	width:177px;
}

.menu ul li:hover ul li:hover ul li a,
.menu ul li a:hover ul li a:hover ul li a {     /* 3rd level unselected items */
	width:177px;
	background:#fff;
	color:#004A3D;
	font-weight:normal;
}

.menu ul li:hover ul li:hover ul li a:hover,
.menu ul li a:hover ul li a:hover ul li a:hover {    /* level3 selected items */
	width:177px;
	color:#004A3D;
	font-weight:bold;
	background: url(images/main-delimiter.png) 0% 0px no-repeat;                                   
	background-color:#efefef;
}