function ajaxFunction_p(id_,value_)
{
var xmlhttp;
if (window.XMLHttpRequest)
  {
  // code for IE7+, Firefox, Chrome, Opera, Safari
  xmlhttp=new XMLHttpRequest();
  }
else
  {
  // code for IE6, IE5
  xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
	var url="/bg/buy/ajax_update.php?id="+id_+"&value="+value_;
		xmlhttp.onreadystatechange=function()
		{
		if(xmlhttp.readyState==4)
		  {
		  var otgovor = xmlhttp.responseText;
		  document.getElementById("suma").innerHTML = otgovor;
		  }
		}
	xmlhttp.open("GET",url,true);
	xmlhttp.send(null);
}