document.write("<p>availHeight : " + screen.availHeight + "</p>");
document.write("<p>availWidth : " + screen.availWidth + "</p>")
document.write("<p>colorDepth : " + screen.colorDepth + "</p>")
document.write("<p>height : " + screen.height + "</p>")
document.write("<p>width : " + screen.width + "</p>")