if (document.images) {
	hmn1on = new Image();
	hmn1on.src = "/fig/img/gl_btn_about_on.gif";
	hmn1off = new Image();
	hmn1off.src = "/fig/img/gl_btn_about.gif";
	hmn2on = new Image();
	hmn2on.src = "/fig/img/gl_btn_publish_on.gif";
	hmn2off = new Image();
	hmn2off.src = "/fig/img/gl_btn_publish.gif";
	hmn3on = new Image();
	hmn3on.src = "/fig/img/gl_btn_faq_on.gif";
	hmn3off = new Image();
	hmn3off.src = "/fig/img/gl_btn_faq.gif";
}
function imgOn(imgName) {
	if (document.images) {
		document[imgName].src=eval(imgName+"on.src");
	}
}
function imgOff(imgName) {
	if (document.images) {
		document[imgName].src=eval(imgName+"off.src");
	}
}