function getWinHeight(){
	var windowHeight = 0;
	if (typeof(window.innerHeight) == 'number') {
		windowHeight = window.innerHeight;
	} else {
		if (document.documentElement && document.documentElement.clientHeight) {
			windowHeight = document.documentElement.clientHeight;
		} else {
			if (document.body && document.body.clientHeight) {
				windowHeight = document.body.clientHeight;
			}
		}
	}
	return windowHeight;
}

function getWinWidth(){
	var windowWidth = 0;
	if (typeof(window.innerWidth) == 'number') {
		windowWidth = window.innerWidth;
	} else {
		if (document.documentElement && document.documentElement.clientWidth) {
			windowWidth = document.documentElement.clientWidth;
		} else {
			if (document.body && document.body.clientWidth) {
				windowWidth = document.body.clientWidth;
			}
		}
	}
	return windowWidth;
}

function getWinSize(){
	var winH, winW;
	if (parseInt(navigator.appVersion)>3) {
		if ( document.body.offsetWidth ){ // Gecko / WebKit
			winW = document.body.offsetWidth;
			winH = document.body.offsetHeight;
		} else if ( document.body.offsetWidth ){ // MS
			winW = document.body.offsetWidth;
			winH = document.body.offsetHeight;
		}
	}
	return { height: winH, width: winW };
}