function resolution(sessionid) {
	var xwidth = screen.width;
	var xheight = screen.height;
	var resolution = xwidth + 'x' + xheight;
	$.post('/resolution.php',{sid:sessionid,res:resolution});
}

function logger (sessionid,userid,action,detail) {
	$.post('/stats.php',{sid:sessionid,uid:userid,action:action,detail:detail});
}

function download (sessionid,userid,action,detail) {
  $.get('/stats.php',{sid:sessionid,uid:userid,action:action,detail:detail});
}