#mainMenu {
	position: relative;
	margin: 5px 0 0 0;
	padding: 0 10px;
	list-style-type: none;
	height: 34px;
}

#mainMenu li {
	float: left;
	margin: 0;
	padding: 0;
}

#mainMenu li a {
	display: block;
}

#mainMenu li a span {
	display: none;
}

#mainMenu li img {
	vertical-align: bottom;
}

#mainMenu li a img {
	visibility: hidden;
}

#mainMenu1 a:hover, #mainMenu1 a:active, #mainMenu1  a.selected {
	background: url("../images/cal_nav_1_about_on.gif") no-repeat;
}
#mainMenu1 {
	background: url("../images/cal_nav_1_about_off.gif") no-repeat;
}

#mainMenu2 a:hover, #mainMenu2 a:active, #mainMenu2 a.selected {
	background: url("../images/cal_nav_2_products_on.gif") no-repeat;
}
#mainMenu2 {
	background: url("../images/cal_nav_2_products_off.gif") no-repeat;
}

#mainMenu3 a:hover, #mainMenu3 a:active, #mainMenu3 a.selected {
	background: url("../images/cal_nav_3_news_on.gif") no-repeat;
}
#mainMenu3 {
	background: url("../images/cal_nav_3_news_off.gif") no-repeat;
}

#mainMenu4 a:hover, #mainMenu4 a:active, #mainMenu4 a.selected {
	background: url("../images/cal_nav_4_iso_on.gif") no-repeat;
}
#mainMenu4 {
	background: url("../images/cal_nav_4_iso_off.gif") no-repeat;
}

#mainMenu5 a:hover, #mainMenu5 a:active, #mainMenu5 a.selected {
	background: url("../images/cal_nav_5_rohs_on.gif") no-repeat;
}
#mainMenu5 {
	background: url("../images/cal_nav_5_rohs_off.gif") no-repeat;
}

#mainMenu6 a:hover, #mainMenu6 a:active, #mainMenu6 a.selected {
	background: url("../images/cal_nav_6_contact_on.gif") no-repeat;
}
#mainMenu6 {
	background: url("../images/cal_nav_6_contact_off.gif") no-repeat;
}

#mainMenu7 a:hover, #mainMenu7 a:active, #mainMenu7 a.selected {
	background: url("../images/cal_nav_7_home_on.gif") no-repeat;
}
#mainMenu7 {
	background: url("../images/cal_nav_7_home_off.gif") no-repeat;
}