function clickclear(thisfield, defaulttext) {
	if (thisfield.value == defaulttext) {
		thisfield.value = "";
	}
}

function clickrecall(thisfield, defaulttext) {
	if (thisfield.value == "") {
		thisfield.value = defaulttext;
	}
}

function switchImage( imagename, imagesrc) {
    if (document.images) {
      	document[ imagename ].src = imagesrc;
    }
}