var site_url = 'http://www.byteshealthcare.co.za/';

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		bar_home_over = newImage(site_url + "assets/images/bar_home-over.gif");
		bar_contact_over = newImage(site_url + "assets/images/bar_contact-over.gif");
		bar_news_over = newImage(site_url + "assets/images/bar_news-over.gif");
		bar_links_over = newImage(site_url + "assets/images/bar_links-over.gif");
		bar_about_over = newImage(site_url + "assets/images/bar_about-over.gif");
		bar_solnserv_over = newImage(site_url + "assets/images/bar_solnserv-over.gif");
		bar_arabia_over = newImage(site_url + "assets/images/bar_arabia-over.gif");
		bar_shareholders_over = newImage(site_url + "assets/images/bar_shareholders-over.gif");
		bar_bottom_left_bar_home_over = newImage(site_url + "assets/images/bar_bottom_left-over.gif");
		bar_bottom_bg_bar_home_over = newImage(site_url + "assets/images/bar_bottom_bg-over.gif");
		bar_bottomright_bar_home_over = newImage(site_url + "assets/images/bar_bottomright-over.gif");
		toc_menu_arrow_down = newImage(site_url + "assets/images/arrow_down.gif");	
		toc_menu_arrow_left = newImage(site_url + "assets/images/arrow_left.gif");	
		preloadFlag = true;
	}
}

function showMenu(menuName, buttonName) {

	var barArray = Array();
	var butArray = Array();
	
	barArray[0] = 'blankmenu';
	barArray[1] = 'contactmenu';
	barArray[2] = 'newsmenu';
	barArray[3] = 'linksmenu';
	barArray[4] = 'aboutmenu';
	barArray[5] = 'solumenu';
	barArray[6] = 'arabiamenu';
	barArray[7] = 'sharmenu';
	
	butArray[0] = 'bar_home';
	butArray[1] = 'bar_contact';
	butArray[2] = 'bar_news';
	butArray[3] = 'bar_links';
	butArray[4] = 'bar_about';
	butArray[5] = 'bar_solnserv';
	butArray[6] = 'bar_arabia';
	butArray[7] = 'bar_shareholders';
	
	for (i = 0; i < barArray.length; i++) {
	
		var currentMenu = document.getElementById(barArray[i]);
		
		if (menuName == barArray[i]) {
			currentMenu.style.visibility = 'visible';
		} else {
			currentMenu.style.visibility = 'hidden';
		}
	
	}
	
	for (i = 0; i < butArray.length; i++) {
	
		if (buttonName == butArray[i]) {
			changeImages(butArray[i], site_url + 'assets/images/' + butArray[i] + '-over.gif');
		} else {
			changeImages(butArray[i], site_url + 'assets/images/' + butArray[i] + '.gif');
		}
	}

}

preloadImages();

function showToc(tocName,arrowName) {
	var toc = document.getElementById(tocName);
	if (toc.style.display == 'none') {
		toc.style.display = 'inline';
		changeImages(arrowName, site_url + 'assets/images/arrow_down.gif');
	} else {
		toc.style.display = 'none';
		changeImages(arrowName, site_url + 'assets/images/arrow_left.gif');
	}
}