// JavaScript Document
var http_request = false;
var http_step = '';
   function makePOSTRequest(url, parameters,step) {
      http_request = false;
	  http_step=step;
      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_step);	 
           //alert(http_request.responseText);
            result = http_request.responseText;
			document.getElementById('loader').style.display='none';
            document.getElementById('parent').innerHTML = result;            
         } else {
            alert('There was a problem with the request.');
         }
      }
   }
   
   
   function lightup(div, opacity){	   
   		//document.getElementById(div).style.backgroundColor='#cccccc';
		if (navigator.appName.indexOf("Netscape")!=-1&&parseInt(navigator.appVersion)>=5)
		document.getElementById(div).style.MozOpacity=opacity/100
		else if (navigator.appName.indexOf("Microsoft")!=-1&&parseInt(navigator.appVersion)>=4)
		document.getElementById(div).filters.alpha.opacity=opacity
	}