function AttachEvent(obj,evt,fnc,useCapture){
	if (!useCapture) useCapture=false;
		if (obj.addEventListener){
				obj.addEventListener(evt,fnc,useCapture);
						return true;
							} else if (obj.attachEvent) return obj.attachEvent("on"+evt,fnc);
								else{
										MyAttachEvent(obj,evt,fnc);
												obj['on'+evt]=function(){ MyFireEvent(obj,evt) };
													}
													} 

													//The following are for browsers like NS4 or IE5Mac which don't support either
													//attachEvent or addEventListener
													function MyAttachEvent(obj,evt,fnc){
														if (!obj.myEvents) obj.myEvents={};
															if (!obj.myEvents[evt]) obj.myEvents[evt]=[];
																var evts = obj.myEvents[evt];
																	evts[evts.length]=fnc;
																	}
																	function MyFireEvent(obj,evt){
																		if (!obj || !obj.myEvents || !obj.myEvents[evt]) return;
																			var evts = obj.myEvents[evt];
																				for (var i=0,len=evts.length;i<len;i++) evts[i]();
																				}