Два css'ных хинта: 1. Отключаем возможность выделения текста:...

Two css hints:
1. Turn off the ability to select text:
(-webkit / -o / -moz / -khtml) -user-select: none;
By standard, just user-select: none;
2. Turn off the ability to drag and drop from the browser:
(-webkit / -o / -moz / -khtml) -user-drag: none;