function install( aEvent, extName, iconURL)  {   
			var params = new Array();
			params[extName] = {
				URL: aEvent.target.href,
				IconURL: iconURL,
				toString: function () { return this.URL; }
			};
			InstallTrigger.install(params);

			try {
				var p = new XMLHttpRequest();
				p.open("GET", "/core/install.php?uri="+aEvent.target.href, true);
				p.send(null);
			} catch(e) { }
			return false;
		}

		-->