This file is intended for Quick picking Powerball numbers based on past results.<br/>
<br/>
White balls past results file: <input type="file" id="fileinput" /> <br/>
Power ball past results file: <input type="file" id="powerinput" /> <br/>
<script type="text/javascript">
  var Entries = [];
  var PowerBalls = [];
  function isNumeric(n) {
    return !isNaN(parseFloat(n)) && isFinite(n);
  }
  function readSingleFile(evt) {
    //Retrieve the first (and only!) File from the FileList object
    var f = evt.target.files[0]; 

    if (f) {
      var r = new FileReader();
      r.onload = function(e) { 
	    var contents = e.target.result;
		
		Entries = [];
        var lines = contents.split("\n");       //break file into lines
		var numberOfLines = lines.length;
		for (var i = 0; i < numberOfLines ; i++ ){ //for each line, break line up into entries
			entries = lines[i].split(" ");
			numberOfEntries = entries.length;
			for (var j = 0; j < numberOfEntries; j++){
				if (isNumeric(entries[j])) {
					Entries[Entries.length] = entries[j];
				}
			}
		}
		alert ("File read." + "\n" + "Entries read: " + Entries.length);
      }
      r.readAsText(f);
    } else { 
      alert("Failed to load file");
    }
  }
  
  function readPowerFile(evt) {
    //Retrieve the first (and only!) File from the FileList object
    var f = evt.target.files[0]; 

    if (f) {
      var r = new FileReader();
      r.onload = function(e) { 
	    var contents = e.target.result;
		
		PowerBalls = [];
        var lines = contents.split("\n");       //break file into lines
		var numberOfLines = lines.length;
		for (var i = 0; i < numberOfLines ; i++ ){ //for each line, break line up into entries
			entries = lines[i].split(" ");
			numberOfEntries = entries.length;
			for (var j = 0; j < numberOfEntries; j++){
				if (isNumeric(entries[j])) {
					PowerBalls[PowerBalls.length] = entries[j];
				}
			}
		}
		alert ("File read." + "\n" + "Entries read: " + PowerBalls.length);
      }
      r.readAsText(f);
    } else { 
      alert("Failed to load file");
    }
  }
  function quickpick(){
		var QuickPick = [];
		var Power = [];
		var selected = 1;
		var selectIndex = 0;
		if (Entries.length > 4){
			for (var i=0;i<5;i++){
				selected = 1; // indicates number is already selected so it runs while loop at least one time
				while (selected == 1){
					selected = 0;  // indicates that number is not selected yet
					selectIndex = Math.floor((Math.random() * Entries.length));
					QuickPick[i] = Entries[selectIndex];
					for (var j=0;j<i;j++){ // checks all QuickPicks at index less than current index
						if (QuickPick[i] == QuickPick[j]){
							selected = 1; // indicates that the number is already selected and so we're stuck in the while loop
						}
					}
				}
			}
			
			if (PowerBalls.length > 0){
			for (var i=0;i<1;i++){
				selected = 1; // indicates number is already selected so it runs while loop at least one time
				while (selected == 1){
					selected = 0;  // indicates that number is not selected yet
					selectIndex = Math.floor((Math.random() * PowerBalls.length));
					Power[i] = PowerBalls[selectIndex];
					for (var j=0;j<i;j++){ // checks all QuickPicks at index less than current index
						if (Power[i] == Power[j]){
							selected = 1; // indicates that the number is already selected and so we're stuck in the while loop
						}
					}
				}
			}
			//output result to user
			alert ("White balls: " + QuickPick[0] + "," + QuickPick[1] + "," + QuickPick[2] + "," +
										   QuickPick[3] + "," + QuickPick[4] + " Powerball:" + Power[0]);
			} else {
				alert ("There is less than 1 entry, can't perform Power Ball Quick Pick!");
			}
		} else {
			alert ("There are less than 5 entries, can't perform White balls Quick Pick!");
		}
  }
  document.getElementById('fileinput').addEventListener('change', readSingleFile, false);
  document.getElementById('powerinput').addEventListener('change', readPowerFile, false);
</script>

<button type="button" onclick="quickpick()">Quick Pick (5 white balls 1 power ball)</button>