function test_velocidad_conexion(debug) {

var req = new Request({	
						url: 'images/test_velocidad.jpg',
						urlEncoded : false,
						headers : { },
						onFailure : function(text){
									},
						onException : function(text){
									  },
						onComplete : function(object){
										var __d2 = new Date();
										var __endtime = __d2.getTime();
										var __elapsedtime = __endtime - __starttime;
										
									 	var __elapsedtime = __elapsedtime / 1000;
									 	var kbytes = this.getHeader('Content-Length') / 1000;
									 	
									 	var dbg = debug;
									 	if (dbg) {
									 		alert ('Start: '+ __starttime + '\n End: ' + __endtime + '\n'+ __elapsedtime + 'segs\n' + kbytes + 'Kb');
									 	}
									 	
									 	var result = kbytes / __elapsedtime;
									 	$('csp').set('value',Math.round(result));
									 	
									 }
									});
		
var __d = new Date();
var __starttime = __d.getTime();
req.send();

}