var basePath = 'http://www-e.openu.ac.il/academic/a-gif/departments/';

var navImages = new Object;
navImages['img_courses'] = Array('courses-E.gif', 'courses2-E.gif');
navImages['img_degrees'] = Array('tearim-E.gif', 'tearim2-E.gif');
navImages['img_faculty'] = Array('segel-E.gif', 'segel2-E.gif');
navImages['img_research'] = Array('mechkar-E.gif', 'mechkar2-E.gif');
navImages['img_counselors'] = Array('yeutz-E.gif', 'yeutz2-E.gif');

function swapImage(img, idx) {
	if (!idx || idx < 0)
		idx = 0;
	if (navImages[img.id] && navImages[img.id].length > idx)
		img.src = basePath + navImages[img.id][idx];
}

function selectImage(id) {
	if (!id || !navImages[id])
		return;
	navImages[id][0] = navImages[id][1];
	var img = document.getElementById(id);
	if (img)
		swapImage(img);
}

function setFontSize(txtEleId, size, butEl) {
	var txtEl = document.getElementById(txtEleId)
	if (txtEl) {
		txtEl.style.fontSize = size;
	}
	var cells = document.getElementById('aaaa').rows[0].cells
	for (var i=0; i<cells.length; i++)
		cells[i].style.borderColor = '#BBBBBB';
	butEl.style.borderColor = 'red';
	
}