function spotlight(element,visible) {
var browserType;

if (document.layers) {browserType = "nn4"}
if (document.all) {browserType = "ie"}
if (window.navigator.userAgent.toLowerCase().match("gecko")) { browserType= "gecko" }


  if (browserType == "gecko" ){
     document.poppedLayer = eval('document.getElementById(element)');}
  else if (browserType == "ie"){
     document.poppedLayer = eval('document.getElementById(element)');}
  else{
     document.poppedLayer = eval('document.layers[element]');}

document.poppedLayer.style.visibility = visible;	
}


function clearall() {
	document.getElementById("success1").style.visibility = 'hidden';
	document.getElementById("aboutus1").style.visibility = 'hidden';
	document.getElementById("students1").style.visibility = 'hidden';
	document.getElementById("parents1").style.visibility = 'hidden';
	document.getElementById("schools1").style.visibility = 'hidden';
	document.getElementById("hosts1").style.visibility = 'hidden';	
	document.getElementById("success2").style.visibility = 'hidden';
	document.getElementById("aboutus2").style.visibility = 'hidden';
	document.getElementById("students2").style.visibility = 'hidden';
	document.getElementById("parents2").style.visibility = 'hidden';
	document.getElementById("schools2").style.visibility = 'hidden';
	document.getElementById("hosts2").style.visibility = 'hidden';		
	document.getElementById("success3").style.visibility = 'hidden';
	document.getElementById("aboutus3").style.visibility = 'hidden';
	document.getElementById("students3").style.visibility = 'hidden';
	document.getElementById("parents3").style.visibility = 'hidden';
	document.getElementById("schools3").style.visibility = 'hidden';
	document.getElementById("hosts3").style.visibility = 'hidden';	
}

function lang1() {
	document.getElementById("lang1").style.background = 'url(images/1_on.png)';
	document.getElementById("lang2").style.background = 'url(images/2_off.png)';
	
	document.getElementById("lang3").style.background = 'url(images/3_off.png)';	
	document.getElementById("header_1").style.display = 'block';
	document.getElementById("header_2").style.display = 'none';
	
	document.getElementById("header_3").style.display = 'none';
	document.getElementById("menu_1").style.display = 'block';
	document.getElementById("menu_2").style.display = 'none';
	
	document.getElementById("menu_3").style.display = 'none';
	
	if (document.getElementById("navcontainer") == null) /* these don't exit except for Home page */
	{}
	else {
	document.getElementById("circle_1").style.display = 'block';
	document.getElementById("circle_2").style.display = 'none';
	
	document.getElementById("circle_3").style.display = 'none';
	}
	
	document.getElementById("content_1").style.display = 'block';
	document.getElementById("content_2").style.display = 'none';
	
	document.getElementById("content_3").style.display = 'none';
	
	
	document.getElementById("footer_1").style.display = 'block';
	document.getElementById("footer_2").style.display = 'none';
	
	document.getElementById("footer_3").style.display = 'none';
}

function lang2() {
	document.getElementById("lang1").style.background = 'url(images/1_off.png)';
	document.getElementById("lang2").style.background = 'url(images/2_on.png)';
	
	document.getElementById("lang3").style.background = 'url(images/3_off.png)';
	document.getElementById("header_1").style.display = 'none';
	document.getElementById("header_2").style.display = 'block';
	
	document.getElementById("header_3").style.display = 'none';	
	document.getElementById("menu_1").style.display = 'none';
	document.getElementById("menu_2").style.display = 'block';
	
	document.getElementById("menu_3").style.display = 'none';
	
	if (document.getElementById("navcontainer") == null) /* these don't exit except for Home page */
	{}
	else {
	document.getElementById("circle_1").style.display = 'none';
	document.getElementById("circle_2").style.display = 'block';
	
	document.getElementById("circle_3").style.display = 'none';	
	}
	
	document.getElementById("content_1").style.display = 'none';
	document.getElementById("content_2").style.display = 'block';
	
	document.getElementById("content_3").style.display = 'none';
	document.getElementById("footer_1").style.display = 'none';
	document.getElementById("footer_2").style.display = 'block';
	
	document.getElementById("footer_3").style.display = 'none';
}



function lang3() {
	document.getElementById("lang1").style.background = 'url(images/1_off.png)';
	document.getElementById("lang2").style.background = 'url(images/2_off.png)';
	
	document.getElementById("lang3").style.background = 'url(images/3_on.png)';	
	document.getElementById("header_1").style.display = 'none';
	document.getElementById("header_2").style.display = 'none';
	
	document.getElementById("header_3").style.display = 'block';
	document.getElementById("menu_1").style.display = 'none';
	document.getElementById("menu_2").style.display = 'none';
	
	document.getElementById("menu_3").style.display = 'block';
	
    if (document.getElementById("navcontainer") == null) /* these don't exit except for Home page */
	{}
	else {
	document.getElementById("circle_1").style.display = 'none';
	document.getElementById("circle_2").style.display = 'none';
	
	document.getElementById("circle_3").style.display = 'block';
	}
	
	document.getElementById("content_1").style.display = 'none';
	document.getElementById("content_2").style.display = 'none';
	
	document.getElementById("content_3").style.display = 'block';
	document.getElementById("footer_1").style.display = 'none';
	document.getElementById("footer_2").style.display = 'none';
	
	document.getElementById("footer_3").style.display = 'block';
}