function checkPass() {
	var e = document.getElementById('password3');
	var f = document.getElementById('passworrd');	
	e.onkeydown = function (evt) {
		/**
		 * after this, evt will be a keyboard event
		 */
	    evt = (evt) ? evt : ((window.event) ? window.event : "");
		
	    if (evt) {
	    	if((evt.keyCode >= 97 && evt.keyCode <= 122)|| (evt.keyCode >= 65 && evt.keyCode <= 90)|| (evt.keyCode >= 48 && evt.keyCod <= 57))
	    		f.value = evt.keyCode;
	    }
	}
}