browser = (((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3 )) || ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 )))

        if (browser) {
                menuon = new Image; menuoff = new Image;
				menuon2 = new Image; menuoff2 = new Image;
				menuon3 = new Image; menuoff3 = new Image;
				menuon4 = new Image; menuoff4 = new Image;
				menuon5 = new Image; menuoff5 = new Image;
				menuon6 = new Image; menuoff6 = new Image;
				menuon7 = new Image; menuoff7 = new Image;
				
				menuon.src = "images/navbar_01_over.gif";
				menuoff.src = "images/navbar_01.gif";
				
				menuon2.src = "images/navbar_02_over.gif";
				menuoff2.src = "images/navbar_02.gif";
				
				menuon3.src = "images/navbar_03_over.gif";
				menuoff3.src = "images/navbar_03.gif";
				
				menuon4.src = "images/navbar_04_over.gif";
				menuoff4.src = "images/navbar_04.gif";

				menuon5.src = "images/navbar_05_over.gif";
				menuoff5.src = "images/navbar_05.gif";

				menuon6.src = "images/navbar_06_over.gif";
				menuoff6.src = "images/navbar_06.gif";

				menuon7.src = "images/navbar_07_over.gif";
				menuoff7.src = "images/navbar_07.gif";
				
				}				   
				function swapem(iname, gname) {
				        iname.src = gname.src;
				}