function getStoreList() {
	var selectBox = document.forms[0].state;
	var state = selectBox.options[selectBox.selectedIndex].value
	var url = 'includes/storelist.php';
	var pars = 'state='+state;
	var myAjax = new Ajax.Updater('storelist_box', url, { method: 'get', parameters: pars });
}