// This function connects the checkbox for HTML newsletter with the one for "Wöchentlicher Speiseplan"
function dm_setHtmlCheck(obj) {

	if (obj == document.getElementById('dmscat1') && document.getElementById('dmscat1').checked == true) {
		document.getElementById('dmshtmlmail').checked = true;
	}
	if (obj == document.getElementById('dmshtmlmail') && document.getElementById('dmshtmlmail').checked == false) {
		document.getElementById('dmscat1').checked = false;
	}
}  


// This two functions bring some interactiveness into form input fields
function setFieldActive(id) {
	document.getElementById(id).style.backgroundColor = "#E8E8E8";
	document.getElementById(id).style.border = "1px solid black";
}
function unsetFieldActive(id) {
	document.getElementById(id).style.backgroundColor = "white";
	document.getElementById(id).style.border = "1px solid #808080";
}