function openWindow(theURL,winName,features)  {
	window.open(theURL,winName,features);
}

function getViewportSize() { 
	var size = [0, 0]; 
	if (typeof window.innerWidth != "undefined") { 
		size = [window.innerWidth, window.innerHeight];
	} 
	else if (typeof document.documentElement != "undefined" && typeof document.documentElement.clientWidth != "undefined" && document.documentElement.clientWidth != 0) {
		size = [document.documentElement.clientWidth, document.documentElement.clientHeight]; 
	}
	else {
		size = [document.getElementsByTagName("body")[0].clientWidth, document.getElementsByTagName("body")[0].clientHeight]; 
	}
	return size; 
}