rem: try { this.transport.setRequestHeader("Referer", document.location.href); } catch (err) { } 
context:   request: function(url) {    var parameters = this.options.parameters || '';    if (parameters.length > 0) parameters += '&_=';    try {      this.url = url;      if (this.options.method == 'get' && parameters.length > 0)        this.url += (this.url.match(/\?/) ? '&' : '?') + parameters;      Ajax.Responders.dispatch('onCreate', this, this.transport);      this.transport.open(this.options.method, this.url,        this.options.asynchronous);      if (this.options.asynchronous) {        this.transport.onreadystatechange = this.onStateChange.bind(this);        setTimeout((function() {this.respondToReadyState(1)}).bind(this), 10);      }      this.setRequestHeaders();      try {  	      this.transport.setRequestHeader("Referer", document.location.href);  	      } catch (err) {  	  }      var body = this.options.postBody ? this.options.postBody : parameters;      this.transport.send(this.options.method == 'post' ? body : null);    } catch (e) {      this.dispatchException(e);    }  },
meta: 6551	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/6551/1ef047bfb2c7a98b85d0aa7bb7227327b0fc241b/prototype.js/clean/HTML/EN/html/prototype.js