function Ajx(){
    var request = false;
	try {request = new ActiveXObject('Msxml2.XMLHTTP');}
	catch (err2) {
		try {request = new ActiveXObject('Microsoft.XMLHTTP');}
		catch (err3) {
			try { request = new XMLHttpRequest();}
			catch (err1) {
				request = false;
			}
		}
	}
    return request;
}
function createElem(type,attributes)
{
    var elem=document.createElement(type);
    for (var i in attributes)
    {elem.setAttribute(i,attributes[i]);}
    return elem;
}

function battleship(bot1,bot2,gridWidth,gridHeight,nbShip1,nbShip2,nbShip3,nbShip4,nbShip5,nbShip6,xd_check){
   var  bot1IdName = bot1.split("-");
   var  bot2IdName = bot2.split("-");
  document.getElementById('fightResult').innerHTML = '';
  //dessiner les deux grilles
  var tableAdv=createElem("table",{"id":"tbl1","class":"battleshipGrid"});
  var tableMe=createElem("table",{"id":"tbl2","class":"battleshipGrid"});
    //ligne de titre 
    var trTitre1=createElem("tr");
    var trTitre2=createElem("tr");
    var tdTitre1=createElem("th",{"colspan":gridWidth});
    var tdTitre2=createElem("th",{"colspan":gridWidth});
    tdTitre1.innerHTML = bot1IdName[1];
    tdTitre2.innerHTML = bot2IdName[1];
    trTitre1.appendChild(tdTitre1);
    tableAdv.appendChild(trTitre1);
    trTitre2.appendChild(tdTitre2);
    tableMe.appendChild(trTitre2);
  
  for (var i=0; i < gridHeight ; i++){
   var trAdv=createElem("tr");
   var trMe=createElem("tr");
   for (var j=0; j < gridWidth ; j++){
     var tdAdv=createElem("td",{"id":"bot1-" + i +"-" + j,"class": "empty"});
     var tdMe=createElem("td",{"id":"bot2-" + i +"-" + j,"class": "empty"});
     trAdv.appendChild(tdAdv);
     trMe.appendChild(tdMe);
   }
   tableAdv.appendChild(trAdv);
   tableMe.appendChild(trMe);
  }
  document.getElementById('fightResult').appendChild(tableAdv);
  document.getElementById('fightResult').appendChild(tableMe);
  var divLogs=createElem("div",{"id":"logs"});
  document.getElementById('fightResult').appendChild(divLogs);
  
 
  
  var xhr = Ajx(); 
  xhr.onreadystatechange  = function(){if(xhr.readyState  == 4){ 
      if(xhr.status  == 200) {
        //debug
	//alert(xhr.responseText);
	try{
	  var grids = JSON.parse(this.responseText);
	    for( var player=1; player <= 2 ; player ++){
	      for (var y=0; y < grids[player].count ; y++){
                  for (var x=0; x < grids[player][y].count ; x++){
                    if (grids[player][y][x] == "1"){
                     document.getElementById( 'bot' + player + '-' + y + '-' + x).className="shipOn";
                    }
                  }
              }
	    }
	  
	}
	catch(e){
	  document.getElementById('logs').innerHTML = xhr.responseText;
	  
	}				
      }
    }};
    xhr.open("POST", '/Battleship',  true);
    xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
    xhr.send(
        'act=initGame&bot1=' + bot1IdName[0] 
        + '&bot2=' + bot2IdName[0]
        + '&gridWidth=' + gridWidth 
        + '&gridHeight=' + gridHeight 
        + '&nbShip1=' + nbShip1 
        + '&nbShip2=' + nbShip2 
        + '&nbShip3=' + nbShip3 
        + '&nbShip4=' + nbShip4 
        + '&nbShip5=' + nbShip5
        + '&nbShip6=' + nbShip6 
        + '&xd_check=' + xd_check
    );
    
}