function activateNavImg(imgId) {
	var imgElem = document.images[imgId];
	var source = imgElem.src;
	source = source.replace(/mout.gif/, "mover.gif");
	imgElem.src = source;
}

function deactivateNavImg(imgId) {
	var imgElem = document.images[imgId];
	var source = imgElem.src;
	source = source.replace(/mover.gif/, "mout.gif");
	imgElem.src = source;
}

function activateLeftNav(lvl, counter) {
	var imgElem = document.images["navleft" + counter];
	var source = imgElem.src;
	source = source.replace(/mout.gif/, "mover.gif");
	imgElem.src = source;
}

function deactivateLeftNav(lvl, counter) {
	var imgElem = document.images["navleft" + counter];
	var source = imgElem.src;
	source = source.replace(/mover.gif/, "mout.gif");
	imgElem.src = source;
}

/* parse the entered query String */
function parseSearchQuery(theForm, message) {
	var queryValue = theForm.elements["query2"].value;
	var testValue = queryValue.replace(/ /g, "");
	if (testValue.length < 3) {
		alert(message);
		return (false);
	}
	queryValue = queryValue.replace(/\+/g, "%2b");
	queryValue = queryValue.replace(/\-/g, "%2d");
	theForm.elements["query"].value = queryValue;
	return (true);
}

function popUpPrintWindow(w_url){
			var win= window.open(w_url,'print_w','scrollbars=yes,menubar=no,height=600,width=500,resizable=yes,toolbar=no,location=no,status=no');
			win.focus();
		}