function domlay(id,trigger,lax,lay,content) {

if (trigger=="1"){
	if (document.layers) document.layers[''+id+''].visibility = "show"
	else if (document.all) document.all[''+id+''].style.visibility = "visible"
	else if (document.getElementById) document.getElementById(''+id+'').style.visibility = "visible"				
	}
// Layer hidden
else if (trigger=="0"){
	if (document.layers) document.layers[''+id+''].visibility = "hide"
	else if (document.all) document.all[''+id+''].style.visibility = "hidden"
	else if (document.getElementById) document.getElementById(''+id+'').style.visibility = "hidden"				
	}
// Set horizontal position	
if (lax){
	if (document.layers){document.layers[''+id+''].left = lax}
	else if (document.all){document.all[''+id+''].style.left=lax}
	else if (document.getElementById){document.getElementById(''+id+'').style.left=lax+"px"}
	}
// Set vertical position
if (lay){
	if (document.layers){document.layers[''+id+''].top = lay}
	else if (document.all){document.all[''+id+''].style.top=lay}
	else if (document.getElementById){document.getElementById(''+id+'').style.top=lay+"px"}
	}
// change content

if (content){
if (document.layers){
	sprite=document.layers[''+id+''].document;
	// add father layers if needed! document.layers[''+father+'']...
  	sprite.open();
  	sprite.write(content);
  	sprite.close();
	}
else if (document.all) document.all[''+id+''].innerHTML = content;	
else if (document.getElementById){
	//Thanx Reyn!
	rng = document.createRange();
	el = document.getElementById(''+id+'');
	rng.setStartBefore(el);
	htmlFrag = rng.createContextualFragment(content)
	while(el.hasChildNodes()) el.removeChild(el.lastChild);
	el.appendChild(htmlFrag);
	// end of Reyn ;)
	}
}
}

function changeLayer(item) {
 var layer = document.getElementById(item);
 var gfx = document.getElementById('img_'+item);
 if (layer.className == 'closed') {
  layer.className = 'open';
  gfx.src = 'http://www.aq-services.com/en/minus.gif';
 } else {
  layer.className = 'closed';
  gfx.src = 'http://www.aq-services.com/en/plus.gif';
 }
}