function roll_over(img_name, img_src){
   document[img_name].src = img_src;
   }


function showhideCPDiv(theItem) {
	if (typeof(theItem) != "undefined") {
		if (document.getElementById(theItem).style.display == 'none') {
			document.getElementById(theItem).style.display = 'block'; }
		else {
			document.getElementById(theItem).style.display = 'none'; }
		}}
function hideCPDiv(theItem) {
	if (typeof(theItem) != "undefined") {
		if (document.getElementById(theItem).style.display == 'block') {
			document.getElementById(theItem).style.display = 'none'; }
		else {
			document.getElementById(theItem).style.display = 'none'; }
		}}