Timer0 Attiny2313 Problem

#include <avr/interrupt.h>

#include <avr/pgmspace.h>

#include <avr/io.h>

#include <avr/wdt.h> 

#define F_CPU 7372800L                  // Systemtakt in Hz

#define LEDPORT PORTB              

#define LEDPIN  PINB

#define LEDDIR   DDRB

#define LED_INIT()  LEDDIR = 0xFF

#define LED1_ON()  PORTB &=~(1<<0)

#define LED1_OFF()  PORTB |= (1<<0)

#define LED2_ON()  PORTB &=~(1<<1)

#define LED2_OFF()  PORTB |= (1<<1)

#define LED3_ON()  PORTB &=~(1<<2)

#define LED3_OFF()  PORTB |= (1<<2)

#define LED1_TOGGLE() PORTB ^= (1<<0);

#define LED2_TOGGLE() PORTB ^= (1<<1);

#define LED3_TOGGLE() PORTB ^= (1<<2);

#define SELECT_POWERDOWN MCUCR |= (1<<SM1) | (1<<SM0) | (1<<SE)    // Macro to select powerdown sleep mode

#define SELECT_IDLESLEEP MCUCR &= ~(1<<SM1)    // Macro to select idle sleep mode

#define DISABLE_AC() ACSR |= (1<<ACD)    // Disable Analog Comperator

// Watchdog reset handling

//------------------------------------------------------------------------

//        T0 Interrupt

//------------------------------------------------------------------------

ISR(TIMER0_OVF_vect){

  LED1_TOGGLE(); 

}

ISR(TIMER1_OVF_vect) {

  LED2_TOGGLE()

} 

int main(void) {

  LEDPORT=0xFF;

  LED_INIT();

  TCNT0 = (1<<CS02) | (1<<CS00);      //divide by 1024 - 28 Hz @ 7.372800 Mhz 

  //TCCR1B = (1<<CS12) | (1<<CS10);      //divide by 1024

  TCCR1B = (1<<CS10);            // - 112 Hz @ 7.372800 Mhz 

  TIMSK = (1<<TOIE0) | (1<<TOIE1);      //enable timer interrupt

sei();

 while(1)

  {

    LED3_TOGGLE(); 

    for(long a = 0;a<80000;a++){asm("nop");};

  }

return 0;

}