function _set_interface() {
var arrPageSize = getPageSize();
// Style overlay and show it
$('#jquery-overlay').css({
opacity:'0.8',
width:arrPageSize[0]+"px",
height:arrPageSize[1]+"px",
display:'none'
});
debut();
// Assigning click events in elements to close overlay
// If window was resized, calculate the new overlay dimensions
$(window).resize(function() {
// Get page sizes
var arrPageSize = getPageSize();
// Style overlay and show it
$('#jquery-overlay').css({
width: arrPageSize[0]+"px",
height: arrPageSize[1]+"px"
});
});
}
/**
* Remove jQuery lightBox plugin HTML markup
*
*/
function debut() {
$('#variante1').css({visibility:'hidden'});
$('#options').css({visibility:'hidden'});
$('#jquery-overlay').fadeIn();
}
function finish() {
$('#variante1').css({visibility:'visible'});
$('#options').css({visibility:'visible'});
$('#jquery-overlay').fadeOut();
}
/**
/ THIRD FUNCTION
* getPageSize() by quirksmode.com
*
* @return Array Return an array with page width, height and window width, height
*/
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;
}
$('#overDiv').css({'top':pageHeight/2, 'left':'50%','background':'url(/images/fd_boxpanier.png) top left no-repeat'});
arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight)
return arrayPageSize;
} 
