I have a mysql database table with 4 fields. 1st one is ID, 2nd Name, 3rd is the number 50, 4th is the number 10. I have a single page called "index.php". On this page, there are 4 buttons and one text field. There is a button that says "+1" and another "-1", with the third being "Subtract from 4th Field", and the fourth saying "Random". The textfield is where you input a name. When you click on the +1, it searches for the name in the text field, and for it's third field using the number 50, it adds 1 to it. When a user clicks on Random, it takes the number in the 4th field (10) and subtracts the 50 by 10. When a user clicks on "Random", it randomly selects either +1, -1, or the number in the 4th field (10) and adds or subtracts depending on what it is. How do I do this?