function moveValue(tagType, fromId, toClass) {
	targetNumber = 0;
	value = document.getElementById(fromId).value;
	tags = document.getElementsByTagName(tagType);
	for (i=0;i< tags.length;i++) {	
		if (tags[i].className == toClass) {
			targetNumber = i;
			// move value
			tags[i].value = value;
			// visually highlight change
			tags[i].style.color = "blue";
		}
	}
}