Creates options as 24 hour increments for an HTML select element

hour-select.js

		  /**
		   * Creates options as 24 hour increments for an HTML select element
		   *
		   * @param {string} id: the element id of the select node
		   * @param {string} defaultTime: the default time at hh:mm:ss resolution for the select to display when loaded
		   */
		  function createHourSelect(id, defaultTime) {
			  var select = document.getElementById(id);
			  var hours = 24;
			  for(i=0; i < hours; i++) {
				  i = ("0" + i).slice(-2); // convert to two digits if single
				  i = i.toString(); // to string for formatting
				  var value = i + ":00:00"; // timestamp format in value attribute
				  var text = i + ":00"; // format for innerHTML
				  var option = document.createElement("option");
				  // if this time through loop is equal to defaultTime select the option
				  if(value == defaultTime) { 
				  	option.setAttribute('selected', 'selected'); 
				  } 
				  option.setAttribute('value', value);
				  option.innerHTML = text;
				  select.appendChild(option);
			  }
		  }