function createBrowserInfoString()
{
	var binfo = navigator.userAgent;
	binfo += window.screen.width + "x" + window.screen.height;
	
	if (navigator.plugins)
	{
    	for (var i=0; i<navigator.plugins.length && i<4; i++) {
    	   binfo += "; " + navigator.plugins[i].name + "v" + navigator.plugins[i].version;
    	}
	}
	
	binfo = binfo.replace(/[^\w]/gi, "");

	return binfo;
}