/**
 * jQuery extension package 1
 * $.pageSize()
 * $.pageScroll()
 * $().x()
 * $().y()
  */
jQuery.getPageSize = function(){
	var xScroll, yScroll;
	if (window.innerHeight && window.scrollMaxY) {
		xScroll = window.innerWidth + window.scrollMaxX;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight) { // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		if (document.documentElement.clientWidth) {
			windowWidth = document.documentElement.clientWidth;
		} else {
			windowWidth = self.innerWidth;
		}
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}
			// for small pages with total height less then height of the viewport
	if (yScroll < windowHeight) {
		pageHeight = windowHeight;
	} else {
		pageHeight = yScroll;
	}
			// for small pages with total width less then width of the viewport
	if (xScroll < windowWidth) {
		pageWidth = xScroll;
	} else {
		pageWidth = windowWidth;
	}
	arrayPageSize = new Array(pageWidth, pageHeight, windowWidth, windowHeight)
	return arrayPageSize;
}
jQuery.getPageScroll = function() {
	var xScroll, yScroll;
	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
		xScroll = self.pageXOffset;
	} else if (document.documentElement && document.documentElement.scrollTop) {	 // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
		xScroll = document.documentElement.scrollLeft;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
		xScroll = document.body.scrollLeft;
	}
	arrayPageScroll = new Array(xScroll,yScroll)
	return arrayPageScroll;
};
jQuery.fn.x = function(n) {
	var result = null;
	var origSet = this;
	this.each(function() {
		var o = this;
		if (n === undefined) {
			var x = 0;
			if (o.offsetParent) {
				while (o.offsetParent) {
					x += o.offsetLeft;
					o = o.offsetParent;
				}
			}
			if (result === null) {
				result = x;
			} else {
				result = Math.min(result, x);
			}
		} else {
			o.style.left = n + 'px';
			result = origSet;
		}
	});
	return result;
};
jQuery.fn.y = function(n) {
	var result = null;
	var origSet = this;
	this.each(function() {
		var o = this;
		if (n === undefined) {
			var y = 0;
			if (o.offsetParent) {
				while (o.offsetParent) {
					y += o.offsetTop;
					o = o.offsetParent;
				}
			}
			if (result === null) {
				result = y;
			} else {
				result = Math.min(result, y);
			}
		} else {
			o.style.top = n + 'px';
			result = origSet;
		}
	});
	return result;
};