rem: saveURL( this.linkURL(), this.linkText(), null, true ); 
add: saveURL( this.linkURL(), this.linkText(), null, true, null, getReferrer(document) ); 
context:     saveLink : function () {        saveURL( this.linkURL(), this.linkText(), null, true );    },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/33a6e559694c38e675c3ed55e3eb109ae6cbda08/nsContextMenu.js/clean/suite/common/nsContextMenu.js