// Clear contents of searc box

function clearBox(box){
	if(box.value==box.defaultValue) {
		box.value = "";
	 }
}

/**
 * ensures a checkbox is checked
 *
 * @param void
 * @return bool
 */
function checkbox_checked(chk, message) {

	if (chk.checked == 1) {
		return true;
	} else {
		alert(message);
		return false;
	}
	
}