var popupStatus = 0;

//load popup
function loadPopup(){
  if(popupStatus == 0){  
    $("#backgroundPopup").css({"opacity": "0.7"});  
    $("#backgroundPopup").fadeIn("fast");  
    $("#wipesPopup").show();  
    popupStatus = 1;  
  }
}

//close popup  
function disablePopup(){  
  if(popupStatus==1){  
    $("#backgroundPopup").fadeOut("fast");  
    $("#wipesPopup").hide();  
    popupStatus = 0;
  }  
}

//change image to lg_blue
function lg_blue(){
  $('.big_image').css("background", "url('images/lg_blue.jpg') no-repeat"); 
}

//change image to lg_grey
function lg_grey(){ 
  $('.big_image').css("background", "url('images/lg_grey.jpg') no-repeat"); 
}

//change image to sm_blue 
function sm_blue(){  
  $('.big_image').css("background", "url('images/sm_blue.jpg') no-repeat"); 
}

//change image to sm_grey 
function sm_grey(){  
  $('.big_image').css("background", "url('images/sm_grey.jpg') no-repeat");
}

function openKids() {
  var windowOpen = window.open('/kids','Kids','location=no,fullscreen=yes');
  <!--[if IE]><![IGNORE[-->windowOpen.resizeTo(screen.width, screen.height);<![IGNORE[]]><![endif]-->
}