// Lottery Number Picker - http://www.btinternet.com/~kurt.grigg/javascript

if ((document.getElementById && document.firstChild) && 
window.addEventListener || window.attachEvent){

(function(){

//Choose your lottery format here. 

var pick = 6;
var from = 1;
var to = 49;
var buttonText = "Lotto Lucky Dip";
var initialText = "Your Lucky Numbers";

//Scroll down to alter colours and size.

var playing = false;
var timer = null;
var counter = 0;

function numsort(n1,n2) {
if (n1 < n2) x=-1;
else if (n1 > n2) x=1;
else x=0;
return x;
}

function justOnce(b){
controlButton.blur();
if (playing){
 return false;
 }
else{
 lotto();
 }
}

function lotto(){
var rng = to-from;
var dum = "";
var e = (rng + 1);	
var draw = new Array();
var number;

if (from >= to ){
 alert("from value must be less than to value");
 return false;
 }
if ( (to+1)-from < pick){
 alert("Error - You want "+pick+" numbers.\n\n"     
 +"The range you have entered is from "+from+" to "+to+".\n"
 +"This leaves "+(rng+1)+" available random numbers.");
 return false;
 }

playing = true;
	
for (i=0; i < pick; i++){
number = parseInt(from + Math.random() * e);
 for (j=0; j < pick; j){
  if (number!=draw[j]){
   j++;
   }
  else{
   number = parseInt(from + Math.random() * e);
   j = 0; 
   }
  }
draw[i] = number;
}

draw.sort(numsort);
for (i=0; i < pick; i++){
 disp = dum += (draw[i]+" ");
}
counter++;
document.getElementById("result"+idx).firstChild.data = disp;
timer = setTimeout(lotto,50);
if (counter > 50){
 clearTimeout(timer);
 playing=false;
 counter=0;
 }
}

var idx = document.getElementsByTagName('div').length;

//Alter the display style/looks here!
//Do not delete any commas etc!!

document.write('<div id="container'+idx+'" style="'
+'position:relative;'
+'width:160px;height:50px;'
+'font-family:verdana,arial,sans-serif;'
+'font-size:12px;'
+'color:#000000;'
+'background-color:#fffff0;'
+'text-align:center;'
+'border : 1px solid #000000">'
+'<input type="button" id="play'+idx+'"'
+'value="'+buttonText+'" style="margin:5px">'
+'<div id="result'+idx+'" style="'
+'width:150px;'
+'font-family:verdana,arial,sans-serif;'
+'font-size:12px;'
+'color:#000000">'+initialText+'<\/div><\/div>');

var controlButton = document.getElementById("play"+idx);
if (window.addEventListener){
 controlButton.addEventListener("click",justOnce,false);
}  
else if (window.attachEvent){
 controlButton.attachEvent("onclick",justOnce);
} 

})();
}