/* STYLESHEET NAV */
			 div#nav 
			{
				width: 964px;
				margin: 0px auto 0px auto;
			}
			
			 div#nav ul
			{
				width: 964px;
				margin: 0px auto 0px auto;
				vertical-align: bottom;
			}

			 div#nav ul, div#nav ul li { 
			 	float: left; 
			 	display: block;
				list-style: none;
				margin: 0px;
				padding: 0px;
			 	}


				/* GLOBAL NAV ROLLOVERS */
				div#nav li a:link,
				div#nav li a:hover,
				div#nav li a:active,
				div#nav li a:visited { display: block; }
				
				/* HEALTH INFO BUTTON */

				div#nav ul li a.health:link, div#nav ul li a.health:visited
				{
					background: url("../img/nav_buttons/health.jpg");
					padding: 43px 0px 0px 0px;
					overflow: hidden;
					width: 189px;
					height: 0px;
				}
				div#nav ul li a.health:hover { background-position: -189px 0px; }
				div#nav ul li a.health:active { background-position: -378px 0px; }

				/* HEALTH INFO BUTTON ON */

				div#nav ul li a.health_on:link, div#nav ul li a.health_on:visited
				{
					background: url("../img/nav_buttons/health.jpg");
					background-position: -189px 0px;
					padding: 43px 0px 0px 0px;
					overflow: hidden;
					width: 189px;
					height: 0px;
				}
				div#nav ul li a.health_on:hover { background-position: -189px 0px; }
				div#nav ul li a.health_on:active { background-position: -378px 0px; }
	

				/* PRODUCTS BUTTON */

				div#nav ul li a.products:link, div#nav ul li a.products:visited
				{
					background: url("../img/nav_buttons/products.jpg");
					padding: 43px 0px 0px 0px;
					overflow: hidden;
					width: 117px;
					height: 0px;
				}
				div#nav ul li a.products:hover { background-position: -117px 0px; }
				div#nav ul li a.products:active { background-position: -234px 0px; }

				/* PRODUCTS BUTTON ON */

				div#nav ul li a.products_on:link, div#nav ul li a.products_on:visited
				{
					background: url("../img/nav_buttons/products.jpg");
					background-position: -117px 0px;
					padding: 43px 0px 0px 0px;
					overflow: hidden;
					width: 117px;
					height: 0px;
				}
				div#nav ul li a.products_on:hover { background-position: -117px 0px; }
				div#nav ul li a.products_on:active { background-position: -234px 0px; }
				
				
				/* PATIENT BUTTON */				
				
				div#nav ul li a.patient:link, div#nav ul li a.patient:visited
				{
					background: url("../img/nav_buttons/patient.jpg");
					padding: 43px 0px 0px 0px;
					overflow: hidden;
					width: 153px;
					height: 0px;
				}
				div#nav ul li a.patient:hover { background-position: -153px 0px; }
				div#nav ul li a.patient:active { background-position: -306px 0px; }

				/* PATIENT BUTTON ON */				
				
				div#nav ul li a.patient_on:link, div#nav ul li a.patient_on:visited
				{
					background: url("../img/nav_buttons/patient.jpg");
					background-position: -153px 0px;
					padding: 43px 0px 0px 0px;
					overflow: hidden;
					width: 153px;
					height: 0px;
				}
				div#nav ul li a.patient_on:hover { background-position: -153px 0px; }
				div#nav ul li a.patient_on:active { background-position: -306px 0px; }
				
				
				/* PHYSICIANS BUTTON */

				div#nav ul li a.physicians:link, div#nav ul li a.physicians:visited
				{
					background: url("../img/nav_buttons/physicians.jpg");
					padding: 43px 0px 0px 0px;
					overflow: hidden;
					width: 148px;
					height: 0px;
				}
				div#nav ul li a.physicians:hover { background-position: -148px 0px; }
				div#nav ul li a.physicians:active { background-position: -296px 0px; }

				/* PHYSICIANS BUTTON ON */

				div#nav ul li a.physicians_on:link, div#nav ul li a.physicians_on:visited
				{
					background: url("../img/nav_buttons/physicians.jpg");
					background-position: -148px 0px;
					padding: 43px 0px 0px 0px;
					overflow: hidden;
					width: 148px;
					height: 0px;
				}
				div#nav ul li a.physicians_on:hover { background-position: -148px 0px; }
				div#nav ul li a.physicians_on:active { background-position: -296px 0px; }


				/* EXTERNAL LINKS BUTTON */

				div#nav ul li a.external_links:link, div#nav ul li a.external_links:visited
				{
					background: url("../img/nav_buttons/external_links.jpg");
					padding: 43px 0px 0px 0px;
					overflow: hidden;
					width: 150px;
					height: 0px;
				}
				div#nav ul li a.external_links:hover { background-position: -150px 0px; }
				div#nav ul li a.external_links:active { background-position: -300px 0px; }				

				
				/* EXTERNAL LINKS BUTTON ON */

				div#nav ul li a.external_links_on:link, div#nav ul li a.external_links_on:visited
				{
					background: url("../img/nav_buttons/external_links.jpg");
					background-position: -150px 0px;
					padding: 43px 0px 0px 0px;
					overflow: hidden;
					width: 150px;
					height: 0px;
				}
				div#nav ul li a.external_links_on:hover { background-position: -150px 0px; }
				div#nav ul li a.external_links_on:active { background-position: -300px 0px; }
					
				
				/* CONTACT BUTTON */

				div#nav ul li a.contact:link, div#nav ul li a.contact:visited
				{
					background: url("../img/nav_buttons/contact.jpg");
					padding: 43px 0px 0px 0px;
					overflow: hidden;
					width: 107px;
					height: 0px;
				}
				div#nav ul li a.contact:hover { background-position: -107px 0px; }
				div#nav ul li a.contact:active { background-position: -214px 0px; }
				
				/* CONTACT BUTTON ON */

				div#nav ul li a.contact_on:link, div#nav ul li a.contact_on:visited
				{
					background: url("../img/nav_buttons/contact.jpg");
					background-position: -107px 0px;
					padding: 43px 0px 0px 0px;
					overflow: hidden;
					width: 107px;
					height: 0px;
				}
				div#nav ul li a.contact_on:hover { background-position: -107px 0px; }
				div#nav ul li a.contact_on:active { background-position: -214px 0px; }				


				/* HOME BUTTON */

				div#nav ul li a.home:link, div#nav ul li a.home:visited
				{
					background: url("../img/nav_buttons/home.jpg");
					padding: 43px 0px 0px 0px;
					overflow: hidden;
					width: 100px;
					height: 0px;
				}
				div#nav ul li a.home:hover { background-position: -100px 0px; }
				div#nav ul li a.home:active { background-position: -200px 0px; }
				
				/* HOME BUTTON ON */

				div#nav ul li a.home_on:link, div#nav ul li a.home_on:visited
				{
					background: url("../img/nav_buttons/home.jpg");
					background-position: -280px 0px;
					padding: 43px 0px 0px 0px;
					overflow: hidden;
					width: 100px;
					height: 0px;
				}
				div#nav ul li a.home_on:hover { background-position: -100px 0px; }
				div#nav ul li a.home_on:active { background-position: -200px 0px; }