function toggleInstructions(controlId, lblCol, lblExp) {
	var state = "";
	var obj = "";
	var reg = "";
	state = document.getElementById(controlId+'toggleState');
	obj = document.getElementById(controlId+'btnInstr');
	reg = document.getElementById(controlId+'regInstr');
	if (state != "") {
		if (state.value == "true") {
			state.value="false";
			if (obj != "") {
				obj.title = lblExp;
				obj.childNodes[0].nodeValue = lblExp;
			}
			if (reg != "") {
				reg.style.display='';
			}
		}
		else {
			state.value = "true";
			if (obj != "") {
				obj.title = lblCol;
				obj.childNodes[0].nodeValue = lblCol;
			}
			if (reg != "") {
				reg.style.display='none';
			}
		}
	}
}