private void jTextArea3KeyTyped(java.awt.event.KeyEvent evt) {//GEN-FIRST:event_jTextArea3KeyTyped
		String txt;
		txt = jTextArea3.getText();
		if(txt.length()>500){
			jTextArea3.setText(txt.substring(0,500));
		}
    }//GEN-LAST:event_jTextArea3KeyTyped