function adjustPageDimensions() {
    
  // Trouve la largeur et la hauteur de l'ecran;
  var windowHeight = getWindowHeight();
  var windowWidth = getWindowWidth();

  $('wrapper').setStyle({'width': windowWidth + 'px', 'height': windowHeight + 'px'});
  $('contentWrapper').setStyle({'width': windowWidth + 'px'});
}


/** *** TOOLS ***** */

function getWindowHeight() {

    var windowHeight = 0;

    if (typeof(window.innerHeight)=='number') {
        windowHeight = window.innerHeight;
    } else {
        if (document.documentElement && document.documentElement.clientHeight) {
            windowHeight = document.documentElement.clientHeight;
        } else {
            if (document.body && document.body.clientHeight) {
                windowHeight = document.body.clientHeight;
            }
        }
    }
    
    return windowHeight;
}

function getWindowWidth() {

    var windowWidth = 0;

    if (typeof(window.innerWidth)=='number') {
        windowWidth = window.innerWidth;
    } else {
        if (document.documentElement && document.documentElement.clientWidth) {
            windowWidth = document.documentElement.clientWidth;
        } else {
            if (document.body && document.body.clientWidth) {
                windowWidth = document.body.clientWidth;
            }
        }
    }
    
    return windowWidth;
}

Event.observe(window, 'load', function () { adjustPageDimensions() });
Event.observe(window, 'resize', function () { adjustPageDimensions() });