function showHide(layer) {
	ls = document.getElementById(layer).style;
	if (ls.display=='block') {
		ls.display='none';
	} else {
		ls.display='block';
	}
	return;
}

function show(layer) {
	ls = document.getElementById(layer).style;
	ls.display='block';
	return;
}

function hide(layer) {
	ls = document.getElementById(layer).style;
	ls.display='none';
	return;
}

function HandleImgError(imageObj) {
	imageObj.src = "/ims/missingimage.gif";
}