(function($){
"use strict";
var win=null,
body=null,
placeholder=null,
footer=null,
max_height=null;
$(function(){
win=$(window);
body=$('body');
if(body.hasClass('av-curtain-footer') ){
aviaFooterCurtain();
return;
}
return;
});
function aviaFooterCurtain(){
footer=body.find('.av-curtain-footer-container');
if(footer.length==0){
body.removeClass('av-curtain-footer av-curtain-activated av-curtain-numeric av-curtain-screen');
return;
}
placeholder=$('<div id="av-curtain-footer-placeholder"></div>');
footer.before(placeholder);
if(body.hasClass('av-curtain-numeric') ){
max_height=footer.data('footer_max_height');
if('undefined'==typeof max_height){
max_height=70;
}else{
max_height=parseInt(max_height, 10);
if(isNaN(max_height) ){
max_height=70;
}}
}
aviaCurtainEffects();
win.on('debouncedresize', aviaCurtainEffects);
}
function aviaCurtainEffects(){
var height=Math.floor(footer.outerHeight()),
viewportHeight=win.innerHeight();
if(null==max_height){
placeholder.css({ height: height + 'px' });
}else{
var limit=Math.floor(viewportHeight *(max_height / 100.0) );
if(height > limit){
body.removeClass('av-curtain-activated');
placeholder.css({ height: '' });
}else{
body.addClass('av-curtain-activated');
placeholder.css({ height: height + 'px' });
}}
}})(jQuery);