var xmlHttp;
var Obj;
var oObj;

function showObrok(aobj, str)
{ 
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
 {
 return;
 } 
 
oObj = aobj;
Obj=document.getElementById('Pop');
var url="obrok.php";
url=url+"?jelo="+str;

xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}


function stateChanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 { 
 Obj.innerHTML=xmlHttp.responseText ;

 deltaX = 20;
 deltaY = 30;

 var browser=navigator.userAgent
 if (browser.search(/opera/i)>0) deltaY = 60;
	
 Obj.style.left=(zxcPos(oObj)[0]+deltaX)+'px';
 Obj.style.top=(zxcPos(oObj)[1]+deltaY)+'px';
 Obj.style.visibility='visible';
 } 
}

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 Hide(){
 if (Obj!=null)	 Obj.style.visibility='hidden';
}

function zxcPos(zxcobj){
 zxclft=zxcobj.offsetLeft;
 zxctop=zxcobj.offsetTop;
 
 while(zxcobj.offsetParent!=null){
  zxcpar=zxcobj.offsetParent;
  zxclft+=zxcpar.offsetLeft;
  zxctop+=zxcpar.offsetTop;
  zxcobj=zxcpar;
 }
 
 return [zxclft,zxctop];
}