// JavaScript Document

function getXMLHttpRequest()
{
  var request = false;
    
  try {
    request = new XMLHttpRequest();
  } catch(err1) {
    try {
      request = new ActiveXObject('Msxml2.XMLHTTP');
    } catch(err2) {
      try {
        request = new ActiveXObject('Microsoft.XMLHTTP');                
      } catch(err3) {
        request = false;
      }
    }
  }
  return request;
} 


  	


function ajax(url,target,loading)
 {
  	
	if (loading) {
		document.getElementById(target).innerHTML='<div align="center"><img src="scripts/ajax/loading.gif" border="0" align="absmiddle" />&nbsp;&nbsp;momencik...<br /><br /><br /></div>';
	}
	
 	var req = false;
    
  try {
    req = new XMLHttpRequest();
  } catch(err1) {
    try {
      req = new ActiveXObject('Msxml2.XMLHTTP');
    } catch(err2) {
      try {
        req = new ActiveXObject('Microsoft.XMLHTTP');                
      } catch(err3) {
        req = false;
      }
    }
  }
	   
	 
	 req.open('GET', url, true);
	 req.onreadystatechange = function() {ajaxDone(target,req);};
	 req.send(null);
	
}
  


function ajaxDone(target,req) {

			 // only if req is "loaded"
			 if (req.readyState == 4) {
					// only if "OK"
					if (req.status == 200 || req.status == 304) {
						 results = req.responseText;
						 
						 document.getElementById('prod_shop').style.display = 'none';
						 document.getElementById(target).innerHTML = results;
									 
					} else {
						 document.getElementById(target).innerHTML="ajax error:\n" +
						 req.statusText;
						 
					}
			}
			
 }
 
var http_request = false;

 function makePOSTRequest(url, parameters) {
	
 
  http_request = false;
  if (window.XMLHttpRequest) { // Mozilla, Safari,...
	 http_request = new XMLHttpRequest();
	 if (http_request.overrideMimeType) {
		// set type accordingly to anticipated content type
		//http_request.overrideMimeType('text/xml');
		http_request.overrideMimeType('text/html');
		 }
  } else if (window.ActiveXObject) { // IE
	 try {
		http_request = new ActiveXObject("Msxml2.XMLHTTP");
	 } catch (e) {
		try {
		   http_request = new ActiveXObject("Microsoft.XMLHTTP");
		} catch (e) {}
	 }
  }
  if (!http_request) {
	 alert('Cannot create XMLHTTP instance');
	 return false;
  }
				
		
  
  http_request.onreadystatechange = alertContents;
  http_request.open('POST', url, true);
  http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
  http_request.setRequestHeader("Content-length", parameters.length);
  http_request.setRequestHeader("Connection", "close");
								
  http_request.send(parameters);
}

function alertContents() {
		
  if (http_request.readyState == 4) {
	 if (http_request.status == 200) {
		//alert(http_request.responseText);
		result = http_request.responseText;
		document.getElementById('form_shop').innerHTML = result;            
	 } else {
		alert('There was a problem with the request.');
	 }
  }
}