/*-- left navigation --*/
#left-nav{width:183px; float:left; margin-left:15px; margin-top:-40px;}
#left-nav li{vertical-align:middle;margin:0; padding:0;text-align:left;}
#left-nav a{background: url(../images/css/left-nav-simple.gif) no-repeat 0 0; display:block;z-index:999;overflow:hidden;text-indent:-9999px; width:183px; }

#nav-products a{height:32px;background-position:0px 0px;	}
#nav-products a:hover{background-position:-183px 0px;	}


#nav-services a{height:40px;background-position:0px -32px;	}
#nav-services a:hover{background-position:-183px -32px;	}
#nav-case a{height:40px;background-position:0px -72px;	}
#nav-case a:hover, .case-active #nav-case a{background-position:-183px -72px;	}
#nav-costs a{height:40px;background-position:0px -112px;	}
#nav-costs a:hover, .cost-active #nav-costs a{background-position:-183px -112px;	}
#nav-gallery a{height:40px;background-position:0px -152px;	}
#nav-gallery a:hover{background-position:-183px -152px;	}
#nav-virtual a{height:40px;background-position:0px -192px;	}
#nav-virtual a:hover, .virtual-tour-active #nav-virtual a{background-position:-183px -192px;	}