function cookieFromCheckbox()
{var ch=[];$("input:checkbox").each(function(){var $el=$(this);if($el.prop("checked"))
ch.push($el.attr("id"));});$.cookie("checkboxCookie",ch.join(','),{expires:91});}
function checkboxFromCookie()
{if($.cookie("checkboxCookie")==null)
return;var chMap=$.cookie("checkboxCookie").split(',');for(var i in chMap)
$('#'+chMap[i]).prop("checked",true);}
function clearCookie()
{$.cookie("checkboxCookie",null);}
var checkboxCookie=$.cookie("checkboxCookie");if(checkboxCookie==null)
{cookieFromCheckbox();checkboxCookie=$.cookie("checkboxCookie");}
else
checkboxFromCookie();$("input:checkbox").change(function(){cookieFromCheckbox();});