/*.mainmenu {
	font-family: Arial, sans-serif;
	font-weight: bold;
	width: 900px;
	height: 2.3em;
	position: relative;
	font-size: 120%;
	margin: 0px 0px 20px;
	height: 27px;
	background-color: #96699c;
	}*/
	
	
	
.mainmenu ul {
background-color: #906E49;
	padding: -8px;
	margin: 0px;
	list-style:  none;
	list-style-position: none;
	top:48px;
	position:relative;
	text-align:center;
        font-weight:bold;
}

.mainmenu li {
	display:table-row-group;
        font-weight:bold;
         background-color: #5C9AED;
}

.mainmenu ul li {
	float: left;
	position: relative;
	padding:0px 16.5px;
        border: 1px solid #153E7E;
background-color: #f0ffff;
padding-left:17px;
}


.mainmenu ul li a,
.mainmenu ul li a:visited {
	display: block;
	text-decoration: none;
	border-right: none;
	float:left;
        font-weight:bold;

}

.mainmenu a:link {color: #000000;}
.mainmenu a:visited {color: #000000;}


/* Specific CSS for IE7 */
* + html .mainmenu ul li a,
* + html .mainmenu ul li a:visited {
	padding: 4px 7px 5px 7px;
}
.mainmenu ul li ul {
	display:  none;
}	<TR>
.mainmenu ul li:hover a{
	color: #fff;

}
.mainmenu ul li:hover ul {
	display: block;
	border: 1px solid #153E7E;
	background: #000000;
        background-image:url('images/menu-icon.png');
	z-index: 1;
	position: absolute;
	top: 1.2em;
	left:0;
	max-width:158px;
       max-height:164px;
}
.mainmenu img{
	float:left;
	padding-top:0px;
	width:0px;
}

.mainmenu ul li.separator{
/* 	background-image:url('images/york-house-london-hotel-menu-icon.png'); */
	width:0;
}

<img style="float:right;margin:30px" src="images/apollo-hotel-london-9.jpg" alt="Apollo Hotel London UK" title="Apollo Hotel London Rooms" height="200" width="150"/>
<img src="images/apollo-hotel-london-16.jpg" alt="Apollo Hotel London UK" title="Apollo Hotel London Breakfast" style="margin-left:100px"/>