var popupStatus=0;var scrollTop=0;function loadPopup(){if(popupStatus==0){$("#backgroundPopup").css({"opacity":"0.7"});$("#backgroundPopup").fadeIn("slow");$("#loginBlock").fadeIn("slow");popupStatus=1;}}
function disablePopup(){if(popupStatus==1){$("#backgroundPopup").fadeOut("slow");$("#loginBlock").fadeOut("slow");popupStatus=0;}}
function centerPopup(){var windowWidth=$(document).width();var windowHeight=$(document).height();var popupHeight=$("#loginBlock").height();var popupWidth=$("#loginBlock").width();$("#loginBlock").css({"position":"absolute","top":scrollTop+100,"left":(980/2)-(popupWidth/2)});$("#backgroundPopup").css({"height":windowHeight});}
$(document).ready(function(){$("#backgroundPopup").click(function(){disablePopup();});$(document).keypress(function(e){if(e.keyCode==27&&popupStatus==1){disablePopup();}});scrollTop=$(window).scrollTop();$(window).scroll(function(){scrollTop=$(window).scrollTop();centerPopup();});});