Code for child page to post scrollHeight data to parent window

gistfile2.txt

!function(){window.onload=function(){function n(){window.parent.postMessage(document.documentElement.scrollHeight,"*")}var o=function(t,i){setTimeout(function(){n(),i&&o(t+100,--i)},t)};window.onload=o(500,10),window.onresize=function(){n()},window.addEventListener?window.addEventListener("click",n,!1):window.attachEvent("onclick",n)}}();