// depends on common.js: QQ, QQ.Element
QQ.Form = function(){

  return {
  	// get the value and text of a <select> with specified selectID
    getSelectedOption: function (selectID){
    	var optionsLength = obj(selectID).options.length;
    	var value;
    	var text;
    	for (var i = 0; i < optionsLength; i++){
    		if (obj(selectID).options[i].selected){
    			value = obj(selectID).options[i].value;
    		  text = obj(selectID).options[i].text;
    		}
    	}
    	return {value:value,text:text}
    },
    // select an option value from a select
	selectOption: function(selID,opt,attribute){
    	var sel = QQ.Element.getObject(selID);
		var ol = sel.options.length;
    	if (attribute === undefined) attribute = "value";
		if (attribute == "value") {
			for (var i = 0; i < ol; ++i){
    			if (sel.options[i].value == opt){sel.options[i].selected = true; break;}
    		}
		} else {
			for (var i = 0; i < ol; ++i) {
    			if (sel.options[i].text == opt){sel.options[i].selected = true; break;}
    		}
		}
    },
	getSelectedRadioButton: function (groupName) {
		var radioButtons = objs("name",groupName);
		
		var checkedRadioButton = null;
		for (var i = 0; i < radioButtons.length; i++) {
			if (radioButtons[i].checked) {
				checkedRadioButton = radioButtons[i]; 
			}
		}
		
		return checkedRadioButton;
	} 
	}
}();