function getCheckbox(id) {
	if (document.layers) {
		return document[id];
	}
	else if (!document.all && document.getElementsByName) {
		return document.getElementsByName(id);
	}
	else if (document.all){
		return document.all[id];
	}
}

function isArray(obj) {
	return (!(typeof(obj.length)=="undefined"));
}

function confirmAdd(checkboxes) {
	if (isArray(checkboxes)) {
		for (var i=0;i<checkboxes.length;i++) {
			if (checkboxes[i].checked)
				return true;
		}
	}else if (checkboxes.checked) {
		return true;
	}
	alert('Please select a job to save.');
	return false;
}

function saveJobs(checkboxesName)
{	
	return  confirmAdd(getCheckbox(checkboxesName));;
}