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/*
 * Get Viewport Dimensions
 * returns object with viewport dimensions to match css in width and height properties
*/
function updateViewportDimensions() {
	var w=window,d=document,e=d.documentElement,g=d.getElementsByTagName('body')[0],x=w.innerWidth||e.clientWidth||g.clientWidth,y=w.innerHeight||e.clientHeight||g.clientHeight;
	return { width:x,height:y }
}
// setting the viewport width
var viewport = updateViewportDimensions();

/*
  viewport = updateViewportDimensions();
  if (viewport.width >= 768) {}
*/