function clearInput(element) {if (element != null && element.value === '[required]'){element.value = '';}}function clearCustInput(elementStr, defaultStr){if (typeof(elementStr) === 'string') {var element = document.getElementById(elementStr);} else {var element = elementStr;}if (element.value === defaultStr){element.value = '';}}function setCustInput(element, defaultStr){if (element.value === ''){element.value = defaultStr;}}function areYouSure(question){return confirm(question);}function clearCustInputs(elements, defaultStr) {var elemArray = elements.split(",");for(var i = 0; i < elemArray.length; i++) {clearCustInput(document.getElementById(elemArray[i]), defaultStr);}}