function clearAll(form) {
	var type;
	var name;
	status = "clear";
	for (var i = 0; i < form.elements.length; i++) {
		type = form.elements[i].type;
		name = form.elements[i].name;
		if (type == "text" || type == "textarea") {
			form.elements[i].value="";
		} else if (type == "select-multiple") {
			for (var j = 0; j < form.elements[i].options.length; j++) {
				form.elements[i].options[j].selected = false;		
			}
		} else if (type == "select-one") {
			form.elements[i].value=-1;
		} else if (type == "radio" || type == "checkbox") {
			if ((name.slice(-6) == "weight" || name.slice(-7, -1) == "weight") && form.elements[i].value == "100") {
				form.elements[i].checked = true;
			} else {
				form.elements[i].checked = false;
			}
		}
	}
}