function getCheckedValue(radioObj) {

	if(!radioObj)
		return "";
	var radioLength = radioObj.length;
		
		
	if(radioLength == undefined)
		if(radioObj.checked)
			return radioObj.value;			
		else
			return "";
			
	for(var i = 0; i < radioLength; i++) {		
		if(radioObj[i].checked) {
			return radioObj[i].value;
		}
	}
	
	return "";
}

//concatena tutti i valori dei checkbox separandoli con "|"
function getCheckedValueCheckbox(checkObj) {
	var c_value = "";
	var  checkboxLength = checkObj.length;	
	for(var i = 0; i < checkboxLength; i++) {
		if (checkObj[i].checked) {
			c_value = c_value + checkObj[i].value + "|";
		}
	}
	
	return c_value;
}