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var prefsLoaded = false;
var toggleNB = "normal";
var defaultFontSize = 13;
var currentFontSize = defaultFontSize;
var handi_isOpen = false;
//== ONLOAD ============================================================================
function init(){
setUserOptions();
lToTop = document.getElementById("to_top");
placeToTop();
}
//== ONUNLOAD ==========================================================================
function finish(){
saveSettings();
}
//== ONSCROLL ==========================================================================
window.onscroll = placeToTop;
//== GESTION DIV TO_TOP ================================================================
function placeToTop(){
position = getScrollPosition();
offset = getWindowHeight() - 75;
targetPosition = position[1] + offset;
marginTop = retire_px(lToTop.style.marginTop);
if(targetPosition > marginTop){
lToTop.style.marginTop = targetPosition + "px";
}
else if(targetPosition < marginTop){
lToTop.style.marginTop = targetPosition + "px";
}
else{
lToTop.style.marginTop = targetPosition + "px";
}
}
function getScrollPosition() {
return Array((document.documentElement && document.documentElement.scrollLeft) || window.pageXOffset || self.pageXOffset || document.body.scrollLeft,(document.documentElement && document.documentElement.scrollTop) || window.pageYOffset || self.pageYOffset || document.body.scrollTop);
}
function retire_px(texte){
return texte.substring(0, texte.length-2);
}
function getWindowHeight() {
var h = 0;
if (typeof(window.innerHeight) == 'number') { // Netscape
h = window.innerHeight;
} else if (document.documentElement && document.documentElement.clientHeight) {
h = document.documentElement.clientHeight;
} else if (document.body && document.body.offsetHeight) { //client
h = document.body.offsetHeight;
}
return h;
}
//== GESTION DIV_HANDICAP ==============================================================
function handi_onover(){
var lHandi = document.getElementById("handicap");
lHandi.style.height = "auto";
}
function handi_onout(){
var lHandi = document.getElementById("handicap");
lHandi.style.height = "27px";
}
//== GESTION FONTSIZE ==================================================================
function incr_font_size() {
if (currentFontSize == undefined){
currentFontSize = defaultFontSize;
}
if (currentFontSize < 20) {
currentFontSize++;
document.body.style.fontSize = currentFontSize + "px";
}
}
function restore_font_size() {
currentFontSize = defaultFontSize;
document.body.style.fontSize = defaultFontSize + "px";
}
function decr_font_size() {
if (currentFontSize == undefined){
currentFontSize = defaultFontSize;
}
if (currentFontSize > 8) {
currentFontSize--;
document.body.style.fontSize = currentFontSize + "px";
}
}
//== GESTION CONTRASTE =================================================================
function displayNB(){
setActiveStyleSheet("accessibilite");
toggleNB = "NB";
}
function displayBN(){
setActiveStyleSheet("accessibilite_inv");
toggleNB = "BN";
}
function displayNormal(){
setActiveStyleSheet("normal");
toggleNB = "normal";
}
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;
}
}
}
//== GESTION COOKIE ====================================================================
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 + "; path=/";
};
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 setUserOptions() {
var cookie_FZ, cookie_NB;
if (!prefsLoaded) {
cookie_FZ = readCookie("fontSize");
currentFontSize = cookie_FZ ? cookie_FZ : defaultFontSize;
document.body.style.fontSize = currentFontSize + "px";
cookie_NB = readCookie("NB");
toggleNB = cookie_NB ? cookie_NB : "normal";
if(toggleNB == "NB"){displayNB();}
if(toggleNB == "BN"){displayBN();}
prefsLoaded = true;
}
}
function saveSettings() {
createCookie("fontSize", currentFontSize, 365);
createCookie("NB", toggleNB, 365);
} |
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