function highlight(category) {

	document.getElementById(category+'Low').style.display = 'none';
	document.getElementById(category+'High').style.display = 'block';

	return
}

function lowlight(category) {

	document.getElementById(category+'Low').style.display = 'block';
	document.getElementById(category+'High').style.display = 'none';

	return
}

function initContainers() {
	var categories = new Array ('Training', 'Consulting', 'Relocation');
	
	for (i=0; i<categories.length; i++) {
		var category = categories[i];
		var catContainer = document.getElementById('container'+category);
		
		// Rubrik klonen
		var refCatContainerContent = catContainer.firstChild;
		
		while (refCatContainerContent.nodeType == 3 && refCatContainerContent.nextSibling != null) {
			refCatContainerContent = refCatContainerContent.nextSibling;
		}
		
		refClonedContainer = refCatContainerContent.cloneNode(true);
	
		// Ids und src austauschen
		changeIds(refClonedContainer)

		// Clone anhängen
		catContainer.appendChild(refClonedContainer);
		
		// ... und ausblenden
//		document.getElementById(category+'High').style.display = 'none';
		refClonedContainer.style.display = 'none';
	}
}

function changeIds(container) {
	
	// 1. ID ändern
	if (container.id != null && container.id.indexOf('Low') != -1) {
		container.id = container.id.replace(/Low/, 'High');
	}
	
	// 2. Falls Grafik, dann src ändern
	if (container.src != null && container.src.indexOf('_low') != -1) {
		container.src = container.src.replace(/_low/, '_high');
	}

	// 3. Class ändern
	if (container.className != null && container.className.indexOf('Low') != -1) {
		container.className = container.className.replace(/Low/, 'High');
	}
	
	// Hat der Container noch Geschwister?
	if (container.nextSibling != null) {
		changeIds (container.nextSibling);
	}
	
	// Hat der Container noch Kinder?
	if (container.firstChild != null) {
		changeIds (container.firstChild);
	}
}