/* Navigation */
.ir { display: block; overflow: hidden; }

#main_nav
{
	margin:0;
	padding:0;
	width:770px;
	height:32px;
	overflow:hidden;
}

#main_nav dd
{
	margin:0;
	float:left;
	position:relative;
}



#main_nav a.ir
{
	display:block;
	width:770px;
	height:0px;
	padding-top:32px;
	background:url(../!images/mp/bcr_mp_nav_static.gif) 0 0 no-repeat;
	overflow:hidden;
}



#Service a.ir{background-position:-0px 0; width:175px;}
#Install a.ir{background-position:-175px 0; width:235px;}
#Employment a.ir{background-position:-410px 0; width:131px;}
#About a.ir{background-position:-541px 0; width:108px;}
#Contact a.ir{background-position:-649px 0; width:121px;}

#main_nav a.ir:hover{background: none;}

.sub_about dd#About a.ir,
.sub_contact dd#Contact a.ir,
.sub_employment dd#Employment a.ir,
.sub_install dd#Install a.ir,
.sub_service dd#Service a.ir {background: none;;}

#main_nav dd:hover a.ir, #main_nav dd.IEhover a.ir, #main_nav a.ir:hover { background: none; }