static int NB_HOST = 3; // 3 differents hosts
 
	/* load balancing computes with vuser id modulo number of hosts */
	int id, scid;
	char *vuser_group;
	int valIdMod;
	static int isInitRand = 0;
 
	if (isInitRand == 0) {
		//srand is called before rand 
		srand(time(NULL)); 
		isInitRand = 1;
	}
 
	lr_whoami(&id, &vuser_group, &scid);
	lr_message( "Group: %s, vuser id: %d, scenario id %d",  vuser_group, id, scid);
 
	/*************** BEGIN COMMENT ***********/
	// id = 5555; // force the id to a specifique host
	/*************** END commenter ***********/
 
	valIdMod = id % NB_HOST;
 
	if (valIdMod == 0) {
		lr_save_string( "http://","P_PROTOCOLE" );
		lr_save_string("serverA","P_SERVEUR" ); 
		lr_save_string( "7013","P_PORT" );
	}
 
	if (valIdMod == 1) {
		lr_save_string( "http://","P_PROTOCOLE" );
		lr_save_string("serverB","P_SERVEUR" ); 
		lr_save_string( "8080","P_PORT" );
	}
 
	if (valIdMod == 2) {
		lr_save_string( "http://","P_PROTOCOLE" );
		lr_save_string("serverC","P_SERVEUR" ); 
		lr_save_string( "7015","P_PORT" );
	}
 
	// force to a specific host
	if (id == 5555) {
		lr_save_string( "http://","P_PROTOCOLE" );
		lr_save_string("serverB","P_SERVEUR" ); 
		lr_save_string( "8080","P_PORT" );
 
	}
	lr_log_message("P_SERVEUR = %s", lr_eval_string("{P_SERVEUR}"));
	lr_log_message("P_PORT = %s", lr_eval_string("{P_PORT}"));
 
	web_url("Login", 
		"URL={P_PROTOCOLE}://{P_SERVEUR}:{P_PORT}/login.do", 
		"TargetFrame=", 
		"Resource=0", 
		"RecContentType=text/html", 
		"Referer=", 
		"Snapshot=t1.inf", 
		"Mode=HTML", 
		LAST);