add:   this.preload1 = new Image(); preload1.src = "images/link_active.gif"; 
context: function FGMapMenu(fgmap) {    this.id = "FGMapMenu";    this.fgmap = fgmap;    this.div = fgmap.div;    this.init();}
meta: 2874	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/2874/e3784f7e5e8860f54f00f15fb8d9a9a009ca3388/fgmap_menu.js/buggy/fgmap_menu.js