function getPageScroll() {
    var yScroll;
    if (self.pageYOffset) {
        yScroll = self.pageYOffset;
    } else if (document.documentElement && document.documentElement.scrollTop) {	 // Explorer 6 Strict 
        yScroll = document.documentElement.scrollTop;
    } else if (document.body) {// all other Explorers
        yScroll = document.body.scrollTop;
    }
    arrayPageScroll = new Array('', yScroll);
    return arrayPageScroll;
}

function getPageSize() {

    var xScroll, yScroll;

    if (window.innerHeight && window.scrollMaxY) {
        xScroll = document.body.scrollWidth;
        yScroll = window.innerHeight + window.scrollMaxY;
    } else if (document.body.scrollHeight > document.body.offsetHeight) { // all but Explorer Mac
        xScroll = document.body.scrollWidth;
        yScroll = document.body.scrollHeight;
    } else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
        xScroll = document.body.offsetWidth;
        yScroll = document.body.offsetHeight;
    }

    var windowWidth, windowHeight;
    if (self.innerHeight) {	// all except Explorer
        windowWidth = self.innerWidth;
        windowHeight = self.innerHeight;
    } else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
        windowWidth = document.documentElement.clientWidth;
        windowHeight = document.documentElement.clientHeight;
    } else if (document.body) { // other Explorers
        windowWidth = document.body.clientWidth;
        windowHeight = document.body.clientHeight;
    }

    // for small pages with total height less then height of the viewport
    if (yScroll < windowHeight) {
        pageHeight = windowHeight;
    } else {
        pageHeight = yScroll;
    }

    // for small pages with total width less then width of the viewport
    if (xScroll < windowWidth) {
        pageWidth = windowWidth;
    } else {
        pageWidth = xScroll;
    }


    arrayPageSize = new Array(pageWidth, pageHeight, windowWidth, windowHeight)
    return arrayPageSize;
}
function Overlay(centerElement) { 
    
     Overlay(centerElement, 'false');
}
function closeOverlay () {
    $j('#middle select').removeClass("vh");
    $j('#Loader').css('display', 'none');
}
function Overlay(centerElement, isFLowerPower) {
    
    //On cache les SELECT a l'ouverture de la popup
    $j('#middle select').addClass("vh");
	if (isFLowerPower && isFlowerActive)
	{
		pageLoaded = false;
		setTimeout('GenericOverlay(\'' + centerElement + '\',' + isFLowerPower + ')', flowerDelay);
	}
	else if(!isFLowerPower)
		GenericOverlay(centerElement, isFLowerPower);   
}

var pageLoaded = false;
var $j = jQuery.noConflict();
function GenericOverlay(centerElement, isFLowerPower) {
    
	if(!isFLowerPower || !pageLoaded)
	{
		// Initialisation puis appel à chaque resize de la fenêtre
		refreshOverlayAndPopup(centerElement);
		if (!isFLowerPower) {
			$j(window).resize(function() {
			    //if($j('#overlayPopUp').css('display')=='block') {
				    refreshOverlayAndPopup(centerElement);
			    //}
			});
		}
	}
} 

function refreshOverlayAndPopup(centerElement) {
    var arrayPageSize = getPageSize();
    var arrayPageScroll = getPageScroll();
   /*
    var jqueryObjOverlay = $j('#overlayPopUp');
    var objOverlay = document.getElementById('overlayPopUp');
    if (objOverlay != null) {
        objOverlay.style.width = arrayPageSize[0] + 'px';
        objOverlay.style.height = (arrayPageSize[3] + 30) + 'px';
        jqueryObjOverlay.children().hide();
        objOverlay.style.display = 'block';*/


        var jqueryObjOverlay = $j('#Loader');
        var objOverlay = document.getElementById('Loader');
        //objOverlay.style.width = arrayPageSize[0] + 'px';
        //objOverlay.style.height = (arrayPageSize[3] + 30) + 'px';
        
        objOverlay.style.display = 'block';
		jqueryObjOverlay.children().hide();

        var objOverlayImg = document.getElementById(centerElement);
        $j(objOverlayImg).width();
        objOverlayImg.style.position = 'absolute';

        objOverlayImg.style.top = -10000;
        objOverlayImg.style.left = -10000;
        objOverlayImg.style.display = 'block';

        objOverlay.appendChild(objOverlayImg);

        objOverlayImg.style.top = ((arrayPageSize[3] - objOverlayImg.offsetHeight) / 2) + 'px';
        objOverlayImg.style.left = (((arrayPageSize[2] - 20 - objOverlayImg.offsetWidth) / 2) + 'px');
    //}
}