Some common problems and solve the code! (Classic) 2

Function screensave () {

Test.Value ;

IF (Test.Value == 5) {

Test.style.display = 'none';

Document.all [4] .bgcolor = 'black';

}

}

Function screenopen () {

Test.value = 0;

Test.Style.Display = '';

Document.all [4] .bgcolor = '';

}

Define the size of the start window while opening the web page