try to draw 1000*1000 svg grig

src/arenas/tron/js.js

@@ -5,13 +5,25 @@ function createElem(type,attributes){
     return elem;
 }
 function createElemNS(type,attributes){
+    //same as createElem but with ns for svg file
     var elem=document.createElementNS("http://www.w3.org/2000/svg",type);
     for (var i in attributes)
     {elem.setAttributeNS(null,i,attributes[i]);}
     return elem;
 }
 
+function applyInitMessage(){
+  if(request.readyState  == 4){ 
+    if(request.status  == 200) {
+      alert ("ok");
 
+    }else{
+	alert ('error ' + xhr.status);
+	document.getElementById('fightButton').disabled=false;
+	return;
+    }
+  }
+}
 function tron(bot1,bot2,xdcheck){
         //empty
         while (document.getElementById('fightResult').firstChild) {
@@ -23,4 +35,15 @@ function tron(bot1,bot2,xdcheck){
 	svg.appendChild(rect);
 	
 	document.getElementById("fightResult").appendChild(svg);
+		
+	//ask arena to send bots init messages
+	var request = new XMLHttpRequest();	 
+	request.onreadystatechange  = applyInitMessage;
+	request.open("POST", '/tron',  true);
+	request.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
+	request.send('act=initGame&bot1=' + bot1 + '&bot2=' + bot2 + '&xd_check=' + xd_check + '&fullLogs=' + document.getElementById("fullLogs").checked);
+      }
+	
+	
+	
 }