// ** COMMON.JS ** //

// Copyright 2002-2004, StatueCreative (http://www.statuecreative.com)



function getObjRef(lLayer,lImage) {



	if (isW3C) {

		if (typeof(lImage)!="undefined")

			return eval("document." + lImage)

		else

			return eval("document.getElementById('" + lLayer + "').style");	

	}

	else if (isNS4) {

		if (typeof(lImage)!="undefined")

			return eval("document." + lLayer + ".document['" + lImage + "']");

		else

			return eval("document." + lLayer);

	}

	else if (isIE) {

		if (typeof(lImage)!="undefined")

			return eval("document.all." + lImage);

		else

			return eval("document.all." + lLayer + ".style")

	}

}



function memberLogin(form) {

	if (form._loginpwd.value == _memberpwd) {

		// redirect user to members only page

		this.location = "digital_library_members.html"

	}

	else {

		// alert user of invalid password and clear password field

		form._loginpwd.value = "";

		alert("Invalid password.  Please try again.");

	}

}



function writeString(lLayer,lString) {



	var lStr = 'document.write(lString)';



	if(isNS4) {

		lStr = 'document[lLayer].document.write(lString)';

	}



	eval(lStr);

}