function openSimpleChess() {
	   	 var originalWidth = 965 ;
	   	 var originalHeight = 690 ;
	   	 var appWidth = originalWidth ;
	   	 var appHeight = originalHeight ;
	   	 //if (screen.width>=1920)
	   	 //{
	   	 //	appWidth = 1920 ;
	   	 //	appHeight = appWidth * (originalHeight / originalWidth)
	   	 //}		   	 
	   	 if (screen.width<1000)
	   	 {
	   	 	appHeight = 550 ;
	   	 	appWidth = appHeight * (originalWidth / originalHeight);
	   	 } else if (screen.width>1200)
	   	 {
	   	 	appHeight = 960 ;
	   	 	appWidth = appHeight * (originalWidth / originalHeight);
	   	 } else if (screen.width>1600)
	   	 {
	   	 	appHeight = 1200 ;
	   	 	appWidth = appHeight * (originalWidth / originalHeight);
	   	 }
   	 
       var wnd = window.open("/jeu-en-direct/simplechess.php?t=1278337708","interfaceSimplechess","toolbar=0,location=0,screenx=0,screeny=0,directories=0,status=0,menuBar=0,scrollBars=no,left=0,top=0,resizable=1, width="+appWidth+", height="+appHeight);
       wnd.focus() ;
   }
 
   function openChessPlayer()
   {
       var wnd = window.open("/jeu-en-direct/chessplayer.php?t=1278337708","interfaceChessplayer","toolbar=0,location=0,screenx=0,screeny=0,directories=0,status=0,menuBar=0,scrollBars=no,left=0,top=0,resizable=1,width="+525+",height="+300);
       wnd.focus() ;   	
   }