function getZimage(name,wrapper,outerWrapper) {
if (document.layers) {
	returnString = "";
	if (outerWrapper) returnString = returnString + "document." + outerWrapper + ".";
	if (wrapper) returnString = returnString + "document." + wrapper + ".";
	returnString = returnString + "document." + name;
	return eval(returnString);
	}
else if (document.all) {
	return eval("document.all." + name);
	}
else if (document.getElementById) {
	return document.getElementById(name);
	}
else { return false; }
}