var menu = [{"title":"Structured Cabling","link":"structured_cabling.php","attr":null},{"title":"Security","link":"security.php","attr":null},{"title":"Audio\/Video","link":"audio_video.php","attr":null},{"title":"Business Communications Systems","link":"business_telephone.php","attr":null},{"title":"Design\/Consulting","link":"design_consulting.php","attr":null},{"title":"IBS Idea","link":"idea.php","attr":null}];
var submenu = [[{"title":"Category UTP","link":"structured_cabling_category_utp.php","attr":null},{"title":"Fiber Optic","link":"structured_cabling_fiber_optic.php","attr":null},{"title":"Data Center","link":"structured_cabling_data_center.php","attr":null},{"title":"Retrofit\/Cleanup","link":"structured_cabling_retrofit_cleanup.php","attr":null},{"title":"Cable TV","link":"structured_cabling_cable_tv.php","attr":null}],[{"title":"Access Control","link":"security_access_control.php","attr":null},{"title":"Camera Surveillance","link":"security_camera_surveillance.php","attr":null},{"title":"Intrusion Alarm","link":"security_intrusion_alarm.php","attr":null}],[{"title":"Zone Paging","link":"audio_video_zone_paging.php","attr":null},{"title":"Digital Signage","link":"audio_video_digital_signage.php","attr":null},{"title":"Commercial Audio\/Video","link":"audio_video_commercial.php","attr":null}],[{"title":"Support","link":"business_telephone_support.php","attr":null},{"title":"Service and Maintenance","link":"business_telephone_service_maintenance.php","attr":null}],[{"title":"Structured Cabling","link":"design_consulting_structured_cabling.php","attr":null},{"title":"Security","link":"design_consulting_security.php","attr":null},{"title":"Audio\/Video Systems","link":"design_consulting_audio_video_systems.php","attr":null}],[{"title":"Project Photos","link":"idea_project_photos.php","attr":null},{"title":"Careers","link":"idea_careers.php","attr":null},{"title":"Contact Us","link":"idea_contact_us.php","attr":null}]];
function swapMenu(oItem)
{
	var oItems = oItem.parentNode.getElementsByTagName('li');
	for (var i = 0, j = -1; i < oItems.length; i++) {
		if ( oItem == oItems[i] ) {
			j = i;
		}
	}
    if ( j > -1 ) {
    	//	these are backwards
    	j = (oItems.length - 1) - j;
    }
	
	var oMenu = document.getElementById('submenu');
	if ( j > -1 && oMenu ) {
		drawMenu(oMenu, submenu[j]);
	}
	
	return;
}
function drawMenu(oMenu, aData)
{
	while ( oMenu.childNodes[0] ) {
		oMenu.removeChild(oMenu.childNodes[0]);
	}
	
	for (var i = aData.length - 1; i >= 0; i--) {
		var oItem = document.createElement('li');
		var oLink = document.createElement('a');
		var oText = document.createTextNode(aData[i]['title']);
		oLink.setAttribute('href', aData[i]['link']);
		oLink.appendChild(oText);
		oItem.appendChild(oLink);
		oMenu.appendChild(oItem);
	}
	
	oMenu.style.display = ( aData.length > 0 ) ? 'block' : 'none';
	return;
}