// JavaScript Document

window.size = function() {
	var w = 0;
	var h = 0;
	//IE
	if(!window.innerWidth) {
		if(!(document.documentElement.clientWidth == 0)) {//strict mode
			w = document.documentElement.clientWidth;
			h = document.documentElement.clientHeight;
		} else { //quirks mode
			w = document.body.clientWidth;
			h = document.body.clientHeight;
		}
	} else { //w3c
		w = window.innerWidth;
		h = window.innerHeight;
	}
	return { width:w, height:h };
}

window.center = function() {
	var hWnd = (arguments[0] != null) ? arguments[0] : {width:0,height:0};
	var _x = 0;
	var _y = 0;
	var offsetX = 0;
	var offsetY = 0;
	/*if(!window.pageYOffset) {//IE
		if(!(document.documentElement.scrollTop == 0)) { //strict mode
			offsetY = document.documentElement.scrollTop;
			offsetX = document.documentElement.scrollLeft;
		} else { //quirks mode
			offsetY = document.body.scrollTop;
			offsetX = document.body.scrollLeft;
		}
	} else { //w3c
		offsetX = window.pageXOffset;
		offsetY = window.pageYOffset;
	}*/
	_x = ((this.size().width-hWnd.width)/2)+offsetX;
	_y = ((this.size().height-hWnd.height)/2)+offsetY;
	return { x:_x, y:_y };
}