<!--nn4 = (document.layers)? true : false;dom = (document.getElementById) ? true : false;ie4 = (document.all && !dom)? true : false;ie50 = (navigator.userAgent.indexOf('MSIE 5.0')) ;if(ie50 != -1) ie50 = true; else ie50 = false;op5 = navigator.userAgent.indexOf('Opera');if(op5 != -1) { op5 = true; ie4=true; ie50 = false; nn4=false; dom=false;}  else op5 = false;//document.write(' ie50=' + ie50 + ' ie4=' + ie4 + ' dom='  + dom + ' nn4=' + nn4 + ' op5=' + op5 +'<br>');function dummy() {return true;}window.onerror=dummy;function getRelLeft(which) {	if (nn4) {		return document.layers[which].pageX;	} else {		var elem = (dom)? document.getElementById(which) : document.all[which];		var pos = elem.offsetLeft;		while (elem.offsetParent != null) {			elem = elem.offsetParent;			pos += elem.offsetLeft;			if (elem.tagName == 'BODY') break;		} return pos;	}}function getRelTop(which) {	if (nn4) {		return document.layers[which].pageY;	} else {		var elem = (dom)? document.getElementById(which) : document.all[which];		var pos = elem.offsetTop;		while (elem.offsetParent != null) {			elem = elem.offsetParent;			pos += elem.offsetTop;			if (elem.tagName == 'BODY') break;		} return pos;	}}function setLyrPos(which, new_top, new_left) {	var lyr = (nn4)? document.layers[which] : (dom)? document.getElementById(which ).style : document.all[which].style;	var lyrHgt = (nn4)? document.layers[which].document.height : (dom)? document.getElementById(which).offsetHeight : document.all[which].offsetHeight;			if (nn4) lyr.top =  new_top; //lyrHgt	if (ie4) lyr.top = new_top - 43;	if (dom) lyr.top = new_top;	if (ie50) lyr.top = new_top;	if (op5) lyr.top = new_top -43;	lyr.left = new_left;}function showLyr(which) {	var lyr = (nn4)? document.layers[which] : (dom)? document.getElementById(which).style : document.all[which].style;	lyr.visibility = (nn4)? "show" : "visible";}function hideLyr(which) {	var lyr = (nn4)? document.layers[which] : (dom)? document.getElementById(which).style : document.all[which].style;	lyr.visibility = (nn4)? "hide" : "hidden";}function pulldown(what,fromwho) {	layerid = what + 'pulldown';	spanid = what + 'menu';	picid = what + 'pic';			my_left = getRelLeft(spanid);		my_top = getRelTop(spanid);			setLyrPos(layerid, my_top , my_left);		showLyr(layerid);}function pullup(what,fromwho){	layerid = what + 'pulldown';	spanid = what + 'menu';	picid = what + 'pic';			hideLyr(layerid);}function rollon(what,dir) {	imgaddr = chemin + what + 'on.gif';	if(nn4)		if(dir != '')			document.layers[dir + 'pulldown'].document.layers[dir + 'hold'].document.images[what].src = imgaddr;		else			document[what].src = imgaddr;	else		document[what].src = imgaddr;}function rolloff(what,dir){	imgaddr = chemin + what + 'off.gif';	if(nn4)		if(dir != '')			document.layers[dir + 'pulldown'].document.layers[dir + 'hold'].document.images[what].src = imgaddr;		else			document[what].src = imgaddr;	else		document[what].src = imgaddr;}//-->