image1 = new Image(180,49);
image1.src = "/images/tab_studenten_on.jpg";
image2 = new Image(180,49);
image2.src = "/images/tab_bedrijven_on.jpg";
image3 = new Image(180,49);
image3.src = "/images/tab_aanmelden_on.jpg";
image4 = new Image(180,49);
image4.src = "/images/tab_studenten_selected.jpg";
image5 = new Image(180,49);
image5.src = "/images/tab_bedrijven_selected.jpg";
image6 = new Image(180,49);
image6.src = "/images/tab_aanmelden_selected.jpg";
var activeTab = '';

function swapTabImage(tabName, onOff)
{
	if(tabName != activeTab) {
		document.getElementById(tabName).src = '/images/'+tabName+'_'+onOff+'.jpg';
	}
}

function selectTab(tabName)
{
	Set_Cookie("activeTab", tabName, "", "/", "", "");
	document.getElementById(tabName).blur();
	document.getElementById(tabName).src = '/images/'+tabName+'_selected.jpg';
}

function selectTabAndGoTo(tabName, theURL)
{
	selectTab(tabName);
	window.location.assign(theURL);
}

function menuPrepare(tab) {
	// Highlight correct tab
	activeTab = tab;
	Set_Cookie("activeTab", activeTab, "", "/", "", "");
	document.getElementById(activeTab).src = '/images/'+activeTab+'_selected.jpg';

	initMenu();
	/*initializeDHTMHistory();*/

	// If cookie is set, open matchingtest
	if(Get_Cookie('matchingtest') != null) {
		mtShow();
	}
}

function openNewWindow(URLtoOpen, windowName, windowFeatures) {
	newWindow=window.open(URLtoOpen, windowName, windowFeatures);
}