var getViewPortWidth = function(){ var width = 0; if ((document.documentElement) && (document.documentElement.clientWidth)) { width = document.documentElement.clientWidth; } else if ((document.body) && (document.body.clientWidth)) { width = document.body.clientWidth; } else if (window.innerWidth) { width = window.innerWidth; } return width;};var getViewPortHeight = function(){ var height = 0; if (window.innerHeight) { height = window.innerHeight - 18; } else if ((document.documentElement) && (document.documentElement.clientHeight)) { height = document.documentElement.clientHeight; } return height;};var getContentHeight = function(){ if ((document.body) && (document.body.offsetHeight)) { return document.body.offsetHeight; } return 0;};var getViewPortScrollX = function(){ var scrollX = 0; if ((document.documentElement) && (document.documentElement.scrollLeft)) { scrollX = document.documentElement.scrollLeft; } else if ((document.body) && (document.body.scrollLeft)) { scrollX = document.body.scrollLeft; } else if (window.pageXOffset) { scrollX = window.pageXOffset; } else if (window.scrollX) { scrollX = window.scrollX; } return scrollX;};var getViewPortScrollY = function(){ var scrollY = 0; if ((document.documentElement) && (document.documentElement.scrollTop)) { scrollY = document.documentElement.scrollTop; } else if ((document.body) && (document.body.scrollTop)) { scrollY = document.body.scrollTop; } else if (window.pageYOffset) { scrollY = window.pageYOffset; } else if (window.scrollY) { scrollY = window.scrollY; } return scrollY;};