function createRequestObject() {
   var ro;
   var browser = navigator.appName;
   if(browser == "Microsoft Internet Explorer"){
       ro = new ActiveXObject("Microsoft.XMLHTTP");
   }else{
       ro = new XMLHttpRequest();
   }
   return ro;
}
var http = createRequestObject();

function MM_openBrWindow(theURL,winName,features) 
{ //v2.0
  window.open(theURL,winName,features);
}

function mostrarimg (nomeimg, nome123, numero)
{
	http.open("GET", 'imgcont.php?img='+nomeimg, true);
	http.onreadystatechange = handlehttpResponse;
	http.send(null);

	function handlehttpResponse() 
	{
		if (http.readyState == 4) 
		{
			document.getElementById('imgcont').innerHTML = http.responseText; 
			
			if (numero=='3')
			{
				if (nome123=='01on') 
				{
					document.getElementById('img1').innerHTML='<img src="img/01on.gif" border="0" usemap="#Map2" />';
					document.getElementById('img2').innerHTML='<img src="img/02off.gif" border="0" usemap="#Map3" />';
					document.getElementById('img3').innerHTML='<img src="img/03off.gif" border="0" usemap="#Map4" />';
				}
				if (nome123=='02on') 
				{
					document.getElementById('img1').innerHTML='<img src="img/01off.gif" border="0" usemap="#Map2" />';
					document.getElementById('img2').innerHTML='<img src="img/02on.gif" border="0" usemap="#Map3" />';
					document.getElementById('img3').innerHTML='<img src="img/03off.gif" border="0" usemap="#Map4" />';
				}
				if (nome123=='03on') 
				{
					document.getElementById('img1').innerHTML='<img src="img/01off.gif" border="0" usemap="#Map2" />';
					document.getElementById('img2').innerHTML='<img src="img/02off.gif" border="0" usemap="#Map3" />';
					document.getElementById('img3').innerHTML='<img src="img/03on.gif" border="0" usemap="#Map4" />';
				}
			}
			
			if (numero=='2')
			{
				if (nome123=='01on') 
				{
					document.getElementById('img1').innerHTML='<img src="img/01on.gif" border="0" usemap="#Map2" />';
					document.getElementById('img2').innerHTML='<img src="img/02off.gif" border="0" usemap="#Map3" />';
				}
				if (nome123=='02on') 
				{
					document.getElementById('img1').innerHTML='<img src="img/01off.gif" border="0" usemap="#Map2" />';
					document.getElementById('img2').innerHTML='<img src="img/02on.gif" border="0" usemap="#Map3" />';
				}
			}
			
			if (numero=='1')
			{				
				if (nome123=='01on') 
				{
					document.getElementById('img1').innerHTML='<img src="img/01on.gif" border="0" usemap="#Map2" />';
				}
			}
		}
	}
}