/* - - - - navigation - - - - */

#about {
	width:106px;

	height: 57px;

	background:url(../images/about.gif) no-repeat;
	
	float:left;

}

#about:hover{

	width:106px;

	height: 57px;

	background:url(../images/about_on.gif) no-repeat;
	
	float:left;

}

#about_selected {

	width:106px;

	height: 57px;

	background:url(../images/about_on.gif) no-repeat;
	
	float:left;
	
}

#about_selected:hover{

	width:106px;

	height: 57px;

	background:url(../images/about_on.gif) no-repeat;
	
	float:left;

}

#ambient {
	width:88px;

	height: 57px;

	background:url(../images/ambient.gif) no-repeat;
	
	float:left;

}

#ambient:hover{

	width:88px;

	height: 57px;

	background:url(../images/ambient_on.gif) no-repeat;
	
	float:left;

}

#ambient_selected {

	width:88px;

	height: 57px;

	background:url(../images/ambient_on.gif) no-repeat;
	
	float:left;
	
}

#ambient_selected:hover{

	width:88px;

	height: 57px;

	background:url(../images/ambient_on.gif) no-repeat;
	
	float:left;

}

#emission {
	width:114px;

	height: 57px;

	background:url(../images/emission.gif) no-repeat;
	
	float:left;

}

#emission:hover{

	width:114px;

	height: 57px;

	background:url(../images/emission_on.gif) no-repeat;
	
	float:left;

}

#emission_selected {

	width:114px;

	height: 57px;

	background:url(../images/emission_on.gif) no-repeat;
	
	float:left;
	
}

#emission_selected:hover{

	width:114px;

	height: 57px;

	background:url(../images/emission_on.gif) no-repeat;
	
	float:left;

}

#occupational {
	width:109px;

	height: 57px;

	background:url(../images/occupational.gif) no-repeat;
	
	float:left;

}

#occupational:hover{

	width:109px;

	height: 57px;

	background:url(../images/occupational_on.gif) no-repeat;
	
	float:left;

}

#occupational_selected {

	width:109px;

	height: 57px;

	background:url(../images/occupational_on.gif) no-repeat;
	
	float:left;
	
}

#occupational_selected:hover{

	width:109px;

	height: 57px;

	background:url(../images/occupational_on.gif) no-repeat;
	
	float:left;

}

#landfill {
	width:106px;

	height: 57px;

	background:url(../images/landfill.gif) no-repeat;
	
	float:left;

}

#landfill:hover{

	width:106px;

	height: 57px;

	background:url(../images/landfill_on.gif) no-repeat;
	
	float:left;

}

#landfill_selected {

	width:106px;

	height: 57px;

	background:url(../images/landfill_on.gif) no-repeat;
	
	float:left;
	
}

#landfill_selected:hover{

	width:106px;

	height: 57px;

	background:url(../images/landfill_on.gif) no-repeat;
	
	float:left;

}

#contact {
	width:77px;

	height: 57px;

	background:url(../images/contact.gif) no-repeat;
	
	float:left;

}

#contact:hover{

	width:77px;

	height: 57px;

	background:url(../images/contact_on.gif) no-repeat;
	
	float:left;

}

#contact_selected {

	width:77px;

	height: 57px;

	background:url(../images/contact_on.gif) no-repeat;
	
	float:left;
	
}

#contact_selected:hover{

	width:77px;

	height: 57px;

	background:url(../images/contact_on.gif) no-repeat;
	
	float:left;

}