button_1_on = new Image();
			button_1_on.src = "http://www.gtp.com.au/cipnwa/images/images_layout/button_policy_on.gif";
			button_1_off = new Image();
			button_1_off.src = "http://www.gtp.com.au/cipnwa/images/images_layout/button_policy_off.gif";

			button_2_on = new Image();
			button_2_on.src = "http://www.gtp.com.au/cipnwa/images/images_layout/button_publications_on.gif";
			button_2_off = new Image();
			button_2_off.src = "http://www.gtp.com.au/cipnwa/images/images_layout/button_publications_off.gif";

			button_3_on = new Image();
			button_3_on.src = "http://www.gtp.com.au/cipnwa/images/images_layout/button_issues_on.gif";
			button_3_off = new Image();
			button_3_off.src = "http://www.gtp.com.au/cipnwa/images/images_layout/button_issues_off.gif";

			button_4_on = new Image();
			button_4_on.src = "http://www.gtp.com.au/cipnwa/images/images_layout/button_programs_on.gif";
			button_4_off = new Image();
			button_4_off.src = "http://www.gtp.com.au/cipnwa/images/images_layout/button_programs_off.gif";

			button_5_on = new Image();
			button_5_on.src = "http://www.gtp.com.au/cipnwa/images/images_layout/button_aboutus_on.gif";
			button_5_off = new Image();
			button_5_off.src = "http://www.gtp.com.au/cipnwa/images/images_layout/button_aboutus_off.gif";

			button_6_on = new Image();
			button_6_on.src = "http://www.gtp.com.au/cipnwa/images/images_layout/button_links_on.gif";
			button_6_off = new Image();
			button_6_off.src = "http://www.gtp.com.au/cipnwa/images/images_layout/button_links_off.gif";

			button_7_on = new Image();
			button_7_on.src = "http://www.gtp.com.au/cipnwa/images/images_layout/button_sitemap_on.gif";
			button_7_off = new Image();
			button_7_off.src = "http://www.gtp.com.au/cipnwa/images/images_layout/button_sitemap_off.gif";

			button_8_on = new Image();
			button_8_on.src = "http://www.gtp.com.au/cipnwa/images/images_layout/button_contactus_on.gif";
			button_8_off = new Image();
			button_8_off.src = "http://www.gtp.com.au/cipnwa/images/images_layout/button_contactus_off.gif";

			button_9_on = new Image();
			button_9_on.src = "http://www.gtp.com.au/cipnwa/images/images_layout/button_home_on.gif";
			button_9_off = new Image();
			button_9_off.src = "http://www.gtp.com.au/cipnwa/images/images_layout/button_home_off.gif";

			function rollOn(thename) {
				var theImage = "document.ROLL" + thename;
				var theRoll  = "button_" + thename + "_on";
				eval(theImage).src = eval(theRoll).src;
			}

			function rollOff(thename) {
				var theImage = "document.ROLL" + thename;
				var theOff  = "button_" + thename + "_off";
				eval(theImage).src = eval(theOff).src;
			}