function ChangeImages(imageUrl,imgID)
{
  if ( (navigator.appName == 'Netscape' && navigator.appVersion.substring(0,1) >= 3) || (navigator.userAgent.indexOf('MSIE') != -1 && navigator.appVersion.substring(0,1) >= 4) )
		{
				document.images[imgID].src = imageUrl;
		}
}
function ChangeImages2(imageUrl,imgID,w,h)
{
  if ( (navigator.appName == 'Netscape' && navigator.appVersion.substring(0,1) >= 3) || (navigator.userAgent.indexOf('MSIE') != -1 && navigator.appVersion.substring(0,1) >= 4) )
		{
				document.images[imgID].src = imageUrl;
				document.images[imgID].width = w;
				document.images[imgID].height = h;
		}
}

function zoom(pagina, l, a)
{
	var posT;
	var posL;
	posT = (screen.height - a) / 2;
	posL = (screen.width - l) / 2;
	parent.NaviWin=window.open(pagina,'','toolbar=no,left=' + posL + ',top=' + posT + ',directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no,width=' + l +',height=' + a);
};
function control_layer() {
	document.getElementById("1").className = "gallery_norm";
	document.getElementById("2").className = "gallery_norm";
	document.getElementById("3").className = "gallery_norm";
	//document.getElementById("4").className = "gallery_norm";
	document.getElementById("5").className = "gallery_norm";
	document.getElementById("6").className = "gallery_norm";
	//document.getElementById("7").className = "gallery_norm";
}
function control_layer1() {
		control_layer()
	if (document.getElementById('powertrap').style.display = 'block'){
		
		document.getElementById("1").className = "gallery_hover";
				}
					
}
function control_layer2() {	
		control_layer()	
	if (document.getElementById('portatile').style.display = 'block'){
		document.getElementById("2").className = "gallery_hover";
		}
}
function control_layer3() {
	control_layer()
	if (document.getElementById('lanterna').style.display = 'block'){
		document.getElementById("3").className = "gallery_hover";
		}
}
/*function control_layer4() {
	control_layer()
	 if (document.getElementById('candela').style.display = 'block'){
		document.getElementById("4").className = "gallery_hover";
		}
}*/
function control_layer5() {
	control_layer()
	if (document.getElementById('spray').style.display = 'block'){
		document.getElementById("5").className = "gallery_hover";
		}
}
function control_layer6() {
	control_layer()
	if (document.getElementById('stick').style.display = 'block'){
		document.getElementById("6").className = "gallery_hover";
		}
}
/*function control_layer7() {
	control_layer()
	if (document.getElementById('pv-440').style.display = 'block'){
		document.getElementById("7").className = "gallery_hover";
		}
}*/