I'm having problem with counting some special characters on textarea

every time I press alt+164 for example , it does not count the character unless I press another key.

heres my code:


<textarea style="resize:none;" rows="15" name="tarea" cols="45" 


function count_chars(tarea)
		x = document.myform.tarea.value;
		document.myform.charcount.value = x.length;

I tried using onkeydown, onkeypress, even onmouseup and onmousedown but still it needs to press any key after entering a alt combo code

after 10 hours .... still no reply

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