if (document.images) {
     button1 = new Image;
     button1on = new Image;

     button1.src = 'images/layout/colocation.gif';
     button1on.src = 'images/layout/colocation-on.gif';
	 
     button2 = new Image;
     button2on = new Image;

     button2.src = 'images/layout/managed.gif';
     button2on.src = 'images/layout/managed-on.gif';
	 
     button3 = new Image;
     button3on = new Image;

     button3.src = 'images/layout/disaster.gif';
     button3on.src = 'images/layout/disaster-on.gif';
	 
     button4 = new Image;
     button4on = new Image;

     button4.src = 'images/layout/db-access.gif';
     button4on.src = 'images/layout/db-access-on.gif';
	 
     button5 = new Image;
     button5on = new Image;

     button5.src = 'images/layout/custom.gif';
     button5on.src = 'images/layout/custom-on.gif';
	 
}

   var http_request = false;
   var divID = false;
   function makePOSTRequest(url, parameters, targ) {
    divID = targ;
	//alert('url: ' + url + ' parameters: ' + parameters + ' targ: ' + divID);
      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;
      }
	  //alert(http_request);
      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() {
//   alert('alert1');
      if (http_request.readyState == 4) {
         if (http_request.status == 200) {
            result = http_request.responseText;
//            divID.innerHTML = result;
//            divID.scrollTop = 0;
         } else {
            alert(http_request.status);
         }
      }
   }
   
function getElemRefs(id) {
	var el = (document.getElementById)? document.getElementById(id): (document.all)? document.all[id]: (document.layers)? document.layers[id]: null;
	if (el) el.css = (el.style)? el.style: el;
	return el;
}   

   function postPub() {
	var poststr = "fullname=" + encodeURI( document.getElementById("name").value ) +
                    "&email=" + encodeURI( document.getElementById("email").value )+
                    "&sendto=" + encodeURI( document.getElementById("sendto").value )+
                    "&domain=" + encodeURI( document.getElementById("domain").value )+
                    "&comment=" + encodeURI( document.getElementById("comment").value);
      makePOSTRequest('sendcomment.php', poststr);	   
	  document.getElementById("name").value = "";
	  document.getElementById("email").value = "";	  
	  document.getElementById("comment").value = "Thanks!";
	  
   }
  
   function postForward() {
	var poststr = "fullname=" + encodeURI( document.getElementById("name").value ) +
                    "&email=" + encodeURI( document.getElementById("email").value )+
                    "&comment=" + encodeURI( document.getElementById("comment").value );
      makePOSTRequest('sendforward.php', poststr);	   
	  document.getElementById("name").value = "";
	  document.getElementById("email").value = "";	  
	  document.getElementById("comment").value = "Thanks!";
	  
   }