function tt_ExtCallFncs(arg, sFnc){	var b = false;	for(var i = tt_aExt.length; i;)	{--i;		var fnc = tt_aExt[i]["On" + sFnc];		// If the extension has defined a method for this event, call it		if(fnc && fnc(arg))			b = true;	}	return b;}
3727	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/3727/98ee928b9b1fec6d3694426a3bd0398d7002e904/wz_tooltip.js/buggy/gallery/js/wz_tooltip.js