function addStatesOption(val,txt) {
	var oSelect = document.getElementById('select_id');
	var oOption = document.createElement('OPTION');
    if (document.selection) { //IE support
        oSelect.options.add(oOption);
        oOption.innerText = txt;
        oOption.value = val;
    }
    else {
        oOption.text = txt;
        oOption.value = val;
        oSelect.options[oStates.options.length]=oOption;
    }

}