var topNavElms = new Array('b1', 'b2', 'b3', 'b4', 'b5', 'b6'); var timeoutId = null; var USE_FADE = true; var TIMEOUT = 100; // milliseconds var CROSS_FADE_DURATION = 0.01; var ns4 = (navigator.appName == 'Netscape' && parseInt(navigator.appVersion) == 4); var ns6 = (document.getElementById)? true : false; var ie4 = (document.all)? true : false; if (document.images) { b1over = new Image(); b1over.src = "/images/tab_home_over.gif;jsessionid=F4752827B684F2B30C0B3D57668DB85C"; b1off = new Image() ; b1off.src = "/images/tab_home_off.gif;jsessionid=F4752827B684F2B30C0B3D57668DB85C"; b2over = new Image(); b2over.src = "/images/tab_res_over.gif;jsessionid=F4752827B684F2B30C0B3D57668DB85C"; b2off = new Image() ; b2off.src = "/images/tab_res_off.gif;jsessionid=F4752827B684F2B30C0B3D57668DB85C"; b3over = new Image(); b3over.src = "/images/tab_rent_over.gif;jsessionid=F4752827B684F2B30C0B3D57668DB85C"; b3off = new Image() ; b3off.src = "/images/tab_rent_off.gif;jsessionid=F4752827B684F2B30C0B3D57668DB85C"; b4over = new Image(); b4over.src = "/images/tab_land_over.gif;jsessionid=F4752827B684F2B30C0B3D57668DB85C"; b4off = new Image() ; b4off.src = "/images/tab_land_off.gif;jsessionid=F4752827B684F2B30C0B3D57668DB85C"; b5over = new Image(); b5over.src = "/images/tab_news_over.gif;jsessionid=F4752827B684F2B30C0B3D57668DB85C"; b5off = new Image() ; b5off.src = "/images/tab_news_off.gif;jsessionid=F4752827B684F2B30C0B3D57668DB85C"; b6over = new Image(); b6over.src = "/images/tab_taos_over.gif;jsessionid=F4752827B684F2B30C0B3D57668DB85C"; b6off = new Image() ; b6off.src = "/images/tab_taos_off.gif;jsessionid=F4752827B684F2B30C0B3D57668DB85C"; } function is_ie() { var agent = navigator.userAgent.toLowerCase(); return ((agent.indexOf("msie") != -1) && (agent.indexOf("opera") == -1)); } function buttonOver(id) { if (document.images) { var btn = document[id]; if (btn.src.indexOf("_on.gif") == -1) { if (document.all && USE_FADE == true) { btn.filters.blendTrans.Stop(); } btn.src = eval(id + "over.src"); } } } function buttonOff(id) { if (document.images) { var btn = document[id]; if (btn.src.indexOf("_on.gif") == -1) { if (USE_FADE == true) { buttonTrans(id, false); } else { btn.src = eval(id + "off.src"); } } } } // image transition function (compatibility unknown) function buttonTrans(id, turnOn) { var btn = document[id]; if (document.all) { btn.style.filter = "blendTrans(duration=0)"; btn.style.filter = "blendTrans(duration=CROSS_FADE_DURATION)"; btn.filters.blendTrans.Apply(); } if (turnOn) { btn.src = eval(id + "over.src"); } else { btn.src = eval(id + "off.src"); } if (document.all) { btn.filters.blendTrans.Play(); } } function show(id) { var d = window.document; if (ns4) obj = d.id; if (ns6) obj = d.getElementById(id); if (ns4) obj.visibility = "show"; else if (ie4) d.all[id].style.visibility = "visible"; else if (ns6) obj.style.visibility = "visible"; } function hide(id) { var d = window.document; if (ns4) obj = d.id; if (ns6) obj = d.getElementById(id); if (ns4) obj.visibility = "hide"; else if (ie4) d.all[id].style.visibility = "hidden"; else if (ns6) obj.style.visibility = "hidden"; } function hideNav() { for (i = 0; i < topNavElms.length; i++) { buttonOff(topNavElms[i]); } } function showNav(id) { if (timeoutId != null) { clearTimeout(timeoutId); } hideNav(); buttonOver(id); } function outNav() { timeoutId = setTimeout("hideNav()", TIMEOUT); }