// http://javascript.about.com/library/blscreen2.htm
// Browser Window Size and Position
// copyright Stephen Chapman, 3rd Jan 2005, 8th Dec 2005
// you may copy these functions but please keep the copyright notice as well
function pageHeight() {return  window.innerHeight != null? window.innerHeight : document.documentElement && document.documentElement.clientHeight ?  document.documentElement.clientHeight : document.body != null? document.body.clientHeight : null;}

function jumpScroll() {
    	if (pageHeight() < 700) {window.scrollBy(0,120)}; 
}