var viewport = {getWinWidth:function () {
	this.width = 0;
	if (window.innerWidth) {
		this.width = window.innerWidth - 18;
	} else {
		if (document.documentElement && document.documentElement.clientWidth) {
			this.width = document.documentElement.clientWidth;
		} else {
			if (document.body && document.body.clientWidth) {
				this.width = document.body.clientWidth;
			}
		}
	}
}, getWinHeight:function () {
	this.height = 0;
	if (window.innerHeight) {
		this.height = window.innerHeight - 18;
	} else {
		if (document.documentElement && document.documentElement.clientHeight) {
			this.height = document.documentElement.clientHeight;
		} else {
			if (document.body && document.body.clientHeight) {
				this.height = document.body.clientHeight;
			}
		}
	}
}, getScrollX:function () {
	this.scrollX = 0;
	if (typeof window.pageXOffset == "number") {
		this.scrollX = window.pageXOffset;
	} else {
		if (document.documentElement && document.documentElement.scrollLeft) {
			this.scrollX = document.documentElement.scrollLeft;
		} else {
			if (document.body && document.body.scrollLeft) {
				this.scrollX = document.body.scrollLeft;
			} else {
				if (window.scrollX) {
					this.scrollX = window.scrollX;
				}
			}
		}
	}
}, getScrollY:function () {
	this.scrollY = 0;
	if (typeof window.pageYOffset == "number") {
		this.scrollY = window.pageYOffset;
	} else {
		if (document.documentElement && document.documentElement.scrollTop) {
			this.scrollY = document.documentElement.scrollTop;
		} else {
			if (document.body && document.body.scrollTop) {
				this.scrollY = document.body.scrollTop;
			} else {
				if (window.scrollY) {
					this.scrollY = window.scrollY;
				}
			}
		}
	}
}, getAll:function () {
	this.getWinWidth();
	this.getWinHeight();
	this.getScrollX();
	this.getScrollY();
}};