var xmlHttp

function getItem(cat)
{ 
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
var url="GetInformation.php";
url=url+"?action=items&cat="+cat;
url=url+"&sid="+Math.random();
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}

function Item(numb)
{ 
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
var url="GetInformation.php";
url=url+"?action=items&item="+numb;
url=url+"&sid="+Math.random();
xmlHttp.onreadystatechange=changeItem;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}

function stateChanged() 
{ 
	if (xmlHttp.readyState==4)
	{ 
		document.getElementById("itemList").innerHTML=xmlHttp.responseText;
	}
}

function changeItem(){
	
	if (xmlHttp.readyState==4)
	{ 
		document.getElementById("item").innerHTML=xmlHttp.responseText;
	}	
}

function GetXmlHttpObject()
{
var xmlHttp=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}



function popup(url){
	document.getElementById("popupText").innerHTML = '<iframe frameborder="0" width="600" height="500" style="border:none;" scrolling="no" src="'+url+'"></iframe>';
	
	document.getElementById("popup").style.visibility = "visible";	
	
}
function popupClose(){
	
	document.getElementById("popup").style.visibility = "hidden";	
	document.getElementById("popupText").innerHTML = ' ';
}

function setOpacity(obj, opacity) {

	opacity = (opacity == 100)?99.999:opacity;
	obj.style.filter       = "alpha(opacity:"+opacity+")";
	obj.style.KHTMLOpacity = opacity/100;
	obj.style.MozOpacity   = opacity/100;
	obj.style.opacity      = opacity/100;
}
function fadeIn( objId, opacity) {
	
	if (document.getElementById) {
		
		var obj = document.getElementById( objId );
		if (opacity <= 100) {
		
			setOpacity(obj, opacity);
			opacity += 10;
			window.setTimeout("fadeIn('"+objId+"',"+opacity+")",100);
		}
	}
}