function fontsizeup(a){if(a&&getKeyCode(a)==9)return true;a=getActiveStyleSheet();switch(a){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(a){if(a&&getKeyCode(a)==9)return true;a=getActiveStyleSheet();switch(a){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(a){var b=a.keyCode?a.keyCode:0;if(!b&&a.charCode)b=a.charCode;return b}
function setActiveStyleSheet(a){var b,c;for(b=0;c=document.getElementsByTagName("link")[b];b++)if(c.getAttribute("rel").indexOf("style")!=-1&&c.getAttribute("title")){c.disabled=true;if(c.getAttribute("title")==a)c.disabled=false}}function getActiveStyleSheet(){var a,b;for(a=0;b=document.getElementsByTagName("link")[a];a++)if(b.getAttribute("rel").indexOf("style")!=-1&&b.getAttribute("title")&&!b.disabled)return b.getAttribute("title");return null}function getPreferredStyleSheet(){return"A-"}
function createCookie(a,b,c){if(c){var d=new Date;d.setTime(d.getTime()+c*24*60*60*1000);c="; expires="+d.toGMTString()}else c="";document.cookie=a+"="+b+c+style_cookie_settings}function readCookie(a){a=a+"=";for(var b=document.cookie.split(";"),c=0;c<b.length;c++){for(var d=b[c];d.charAt(0)==" ";)d=d.substring(1,d.length);if(d.indexOf(a)==0)return d.substring(a.length,d.length)}return null}
function load_cookie(){var a=readCookie("style_cookie");a=a?a:getPreferredStyleSheet();setActiveStyleSheet(a)}function unload_cookie(){var a=getActiveStyleSheet();createCookie("style_cookie",a,365)}onload_functions.push("load_cookie()");onunload_functions.push("unload_cookie()");