function zliczaj_znaki(id, pole, maxSize)
{
		

			var s=document.getElementById(id).value.length;

			if (s>maxSize) {

				document.getElementById(id).value = document.getElementById(id).value.substring(0,maxSize);

				document.getElementById(pole).value = '0';

			} else  {

				document.getElementById(pole).value= maxSize-s;

			}
}