function setPng24(obj) { obj.width=obj.height=1; obj.className=obj.className.replace(/\bpng24\b/i,''); obj.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+ obj.src +"',sizingMethod='image');" obj.src=''; return ''; } function menu_on(num){ document.getElementById('m'+num).style.visibility = 'visible'; document.getElementById('n'+num).style.visibility = 'hidden'; } function menu_off(num){ document.getElementById('m'+num).style.visibility='hidden' document.getElementById('n'+num).style.visibility = 'visible'; }