browser_name = navigator.appName; browser_ver = parseInt(navigator.appVersion); if ((browser_name == "Netscape" && browser_ver >= 3) || (browser_name == "Microsoft Internet Explorer" && browser_ver >=4)) version = "yes";else version = "no"; if (version == "yes") { btns = new Array(4); for (c=0; c<=3; c++) { btns[c] = new Image(); } btns[0].src = "/images/foot_nav_home_02.gif"; btns[1].src = "/images/foot_nav_top_02.gif"; btns[2].src = "/images/foot_nav_home_01.gif"; btns[3].src = "/images/foot_nav_top_01.gif"; nm = new Array("home", "top"); } function btn_chg(des,num) { if (version == "yes") { document.images[nm[des]].src = btns[num].src; }} function btn_rtn(des,num) { if (version == "yes") { document.images[nm[des]].src = btns[num+2].src; }} self.name="main" // -->