This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
Oh my goodness!!! Purple horses with PINK pOLKa DOts! YEPPPIIEEE!!!
You can not customize and alert box. It is a windowed element andyou can not change anything but the text. Same with confirm and prompt. If you want to make your own, you need to use layers(divs) to create that effect.