function browserClientSize(){
		var theWidth, theHeight;
		// Window dimensions: 
		if (window.innerWidth) {
			theWidth=window.innerWidth;
		}
		else if (document.documentElement && document.documentElement.clientWidth) {
			theWidth=document.documentElement.clientWidth;
		}
		else if (document.body) {
			theWidth=document.body.clientWidth;
		}
		if (window.innerHeight) {
			theHeight=window.innerHeight;
		}
		else if (document.documentElement && document.documentElement.clientHeight) {
			theHeight=document.documentElement.clientHeight;
		}
		else if (document.body) {
			theHeight=document.body.clientHeight;
		}
		
		var size = { width:theWidth, height:theHeight }
		
		return size;
	}

	var clientSize = browserClientSize();