Uncheck a checkbox if another checked with javascript

Question

I have two checkbox fields. Using Javascript, I would like to make sure only one checkbox can be ticked. (e.g if one checkbox1 is ticked, if checkbox2 is ticked, checkbox1 w

Answer 1

Note that I am using onclick event:

function setFries(obj){
   var fries = document.getElementsByName('fries');
   if(obj.id =='hotdog') //Or check for obj.type == 'radio'
   {
      for(var i=0; i