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function getPageSize()
{
var xScroll, yScroll;
if (window.innerHeight && window.scrollMaxY)
{
xScroll = document.body.scrollWidth;
yScroll = window.innerHeight + window.scrollMaxY;
}
else if (document.body.scrollHeight > document.body.offsetHeight)
{
xScroll = document.body.scrollWidth;
yScroll = document.body.scrollHeight;
}
else
{
xScroll = document.body.offsetWidth;
yScroll = document.body.offsetHeight;
}
var windowWidth, windowHeight;
if (self.innerHeight)
{
windowWidth = self.innerWidth;
windowHeight = self.innerHeight;
}
else if (document.documentElement && do
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