Adds ability to collect donation amounts in string query passed in URL. Great for adding auto amounts in buttons and text inside emails.

string query in staged donation for nationbuilder

// Added by CraigGrella.com for pinning amount to string query
// Used for creating buttons in emails with links for specific dollar amounts
function getQueryVariable(variable)
{
  var query = window.location.search.substring(1);
  var vars = query.split("&");
  for (var i=0;i<vars.length;i++) {
    var pair = vars[i].split("=");
    if(pair[0] == variable){return pair[1];}
  }
  return(false);
}

jQuery(function($){
  var amt = getQueryVariable("donation_amt");
  if (!amt) return;
  $('#donation_amount_'+amt).attr('checked', true);

  // Uncomment to Automatically progress to second stage
  // $('.progress-stage-button-next').click();

});