function fontsizeup(event) { // Skip tabs; 9 being the ASCII code for a tab if (event && getKeyCode(event) == 9) { return true; } var active = getActiveStyleSheet(); switch (active) { case 'A--': setActiveStyleSheet('A-'); break; case 'A-': setActiveStyleSheet('A'); break; case 'A': setActiveStyleSheet('A+'); break; case 'A+': setActiveStyleSheet('A++'); break; case 'A++': setActiveStyleSheet('A'); break; default: setActiveStyleSheet('A'); break; } return false; } function fontsizedown(event) { // Skip tabs if (event && getKeyCode(event) == 9) { return true; } var active = getActiveStyleSheet(); switch (active) { case 'A++' : setActiveStyleSheet('A+'); break; case 'A+' : setActiveStyleSheet('A'); break; case 'A' : setActiveStyleSheet('A-'); break; case 'A-' : setActiveStyleSheet('A--'); break; case 'A--' : break; default : setActiveStyleSheet('A--'); break; } return false; } function getKeyCode(event) { // IE doesn't fire the onkeypress event for tabs // Reference: http://www.quirksmode.org/js/keys.html var code = (event.keyCode) ? event.keyCode : 0; // Probably using FF if (!code && event.charCode) { code = event.charCode; } return code; } function setActiveStyleSheet(title) { var i, a, main; for (i = 0; (a = document.getElementsByTagName('link')[i]); i++) { if (a.getAttribute('rel').indexOf('style') != -1 && a.getAttribute('title')) { a.disabled = true; if (a.getAttribute('title') == title) { a.disabled = false; } } } } function getActiveStyleSheet() { var i, a; for (i = 0; (a = document.getElementsByTagName('link')[i]); i++) { if (a.getAttribute('rel').indexOf('style') != -1 && a.getAttribute('title') && !a.disabled) { return a.getAttribute('title'); } } return null; } function getPreferredStyleSheet() { return ('A-'); } function createCookie(name, value, days) { if (days) { var date = new Date(); date.setTime(date.getTime() + (days*24*60*60*1000)); var expires = '; expires=' + date.toGMTString(); } else { expires = ''; } document.cookie = name + '=' + value + expires + style_cookie_settings; } function readCookie(name) { var nameEQ = name + '='; var ca = document.cookie.split(';'); for (var i = 0; i < ca.length; i++) { var c = ca[i]; while (c.charAt(0) == ' ') { c = c.substring(1, c.length); } if (c.indexOf(nameEQ) == 0) { return c.substring(nameEQ.length, c.length); } } return null; } function load_cookie() { var cookie = readCookie('style_cookie'); var title = cookie ? cookie : getPreferredStyleSheet(); setActiveStyleSheet(title); } function unload_cookie() { var title = getActiveStyleSheet(); createCookie('style_cookie', title, 365); } onload_functions.push('load_cookie()'); onunload_functions.push('unload_cookie()'); /* var cookie = readCookie("style"); var title = cookie ? cookie : getPreferredStyleSheet(); setActiveStyleSheet(title); */