function escapeHTML(string) 
{
	return(string.replace(/&/g,'&amp;').replace(/>/g,'&gt;').replace(/</g,'&lt;'));
}

function selectRegion(region) 
{
	var i, e;
	hidePhotoPopup();
	for(i=1;i<6;i++) {
		e = document.getElementById('region_'+i);
		if(i==region) {
			e.style.display = 'block';
			document.getElementById('top_link_'+i+'_off').style.display = 'none';
			document.getElementById('top_link_'+i+'_on').style.display = 'inline';
		} else {
			document.getElementById('top_link_'+i+'_off').style.display = 'inline';
			document.getElementById('top_link_'+i+'_on').style.display = 'none';
			e.style.display = 'none';
		}
	}
}

function showPhotoPopup(img, competitor)
{
	var pp = document.getElementById('photo_popup');
	var ppi = document.getElementById('photo_popup_img');
	var ppc = document.getElementById('photo_popup_competitor');
	//	var pps = document.getElementById('photo_popup_school');
	ppc.innerHTML = escapeHTML(competitor);
	//	pps.innerHTML = escapeHTML(school);
	pp.style.visibility = 'visible';
	if(ppi.src.match(img)) {
		ppi.style.visibility = 'visible';
	} else {
		ppi.style.visibility = 'hidden';
		ppi.src = img;
	}
	return false;
}

function hidePhotoPopup() 
{
	var pp = document.getElementById('photo_popup');
	var ppi = document.getElementById('photo_popup_img');
	pp.style.visibility = 'hidden';
	ppi.style.visibility = 'hidden';
	return false;
}

function showPhotoImage()
{
	var pp = document.getElementById('photo_popup');
	var ppi = document.getElementById('photo_popup_img');
	if(pp.style.visibility == 'visible') ppi.style.visibility = 'visible';
}