// screen.js

// Define a function to get screen avail height
function getAvailHeight() {
	return screen.availHeight;
}
 
// Define a function to get screen avail width
function getAvailWidth() {
	return screen.availWidth;
}

// Define a function to get screen height
function getScreenHeight() {
	return screen.height;
}

// Define a function to hide screen width 
function getScreenWidth() {
	return screen.width;
}