function switchMenu(obj) {
	var el = document.getElementById(obj);
	if ( el.style.display != "none" ) {
		el.style.display = 'none';
	}
	else {
		el.style.display = '';
	}
}
function setImageSize(imageID){
      
  var imageName = imageID;   
  

  var maxWidth = 111;
  var maxHeight = 51;

  var img = document.getElementById(imageName);
  var imageSrc = document.getElementById(imageName).src;

  var newWidth = img.width;
  var newHeight = img.height;


  if(img.width > img.height && img.width>maxWidth){
    newWidth = maxWidth;
    newHeight = parseInt(img.height + (maxWidth - img.width)/img.width*img.height); 
  }
  
  else if(img.width < img.height && img.height>maxHeight){
    newHeight= maxHeight;
    newWidth = parseInt(img.width + (maxHeight - img.height)/img.height*img.width); 
  }

  document.getElementById(imageName).style.width = newWidth + "px";
  document.getElementById(imageName).style.height = newHeight + "px"
  
  //document.getElementById(imageName).src = imageSrc;
}
function setImageSizePrem(imageID){
      
  var imageName = imageID;   

  var maxWidth = 146;
  var maxHeight = 51;

  var img = document.getElementById(imageName);
  var imageSrc = document.getElementById(imageName).src;

  var newWidth = img.width;
  var newHeight = img.height;


  if(img.width > img.height && img.width>maxWidth){
    newWidth = maxWidth;
    newHeight = parseInt(img.height + (maxWidth - img.width)/img.width*img.height); 
  }
  
  else if(img.width < img.height && img.height>maxHeight){
    newHeight= maxHeight;
    newWidth = parseInt(img.width + (maxHeight - img.height)/img.height*img.width); 
  }

  document.getElementById(imageName).style.width = newWidth + "px";
  document.getElementById(imageName).style.height = newHeight + "px"
  
  //document.getElementById(imageName).src = imageSrc;


}

   function alertContents() {
      if (http_request.readyState == 4) {
         if (http_request.status == 200) {
            //alert(http_request.responseText);
            result = http_request.responseText;
            //document.getElementById('myspan').innerHTML = result;            
         } else {
            alert('There was a problem with the request.');
         }
      }
	}
	
   var http_request = false;
   function makePOSTRequest(url, parameters) {
   	  url="http://www.french-property.com/scripts/servicewindow/trackLink.php";	
      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);
   }