var mx;
isNS4 = (document.layers) ? true : false;
isIE4 = (document.all && !document.getElementById) ? true : false;
isIE5 = (document.all && document.getElementById) ? true : false;
isNS6 = (!document.all && document.getElementById) ? true : false;
timerID = setTimeout('ha()',20000);
function sd(l, p){
	k = l;
	ha();
	sn = 1;
	s(l, p);
}
function s(l, p){
	if(isIE4 || isIE5){
		eval('document.all.menu' + l + '.style.visibility = "visible"');
		eval('document.all.menu' + l + '.style.left = p');
	}
	if(isNS4){
		eval('document.layers.menu' + l + '.visibility = "show"');
		pos = p;
		eval('document.layers.menu' + l + '.left =pos');
		eval('document.layers.menu' + l + '.top = 106');
	}
	if(isNS6){
		var myElement = document.getElementById("menu" + l);
		myElement.style.left = p;
		myElement.style.visibility = "visible";
	}
}
function hd(){
	k = -1;
	setTimeout('ha()',500);
}
k = -1;
function ha(){
	for(i = 1; i < 5; i++){ 
		h = 0;
		chkmp(i);
		if((isIE4 || isIE5) && k != i)if(h)eval('document.all.menu' + i + '.style.visibility = "hidden"');
		if(isNS4 && k != i)if(h)eval('document.layers.menu' + i + '.visibility = "hide"');
		if(isNS6 && k != i)if(h)document.getElementById('menu'+i).style.visibility = "hidden";
	}
}
document.onmousemove = mp;
if (isNS4)document.captureEvents(Event.MOUSEMOVE);
function mp(x){
	if(isNS4){
		mx = x.pageX;
		my = x.pageY;
	}
	if(isNS6){
		mx = x.pageX;
		my = x.pageY;
	}
	if(isIE4 || isIE5){
		mx = event.clientX;
		my = event.clientY;
	}
}
function chkmp(i){ 
	if(isNS4){   
		var xmin = eval('document.layers.menu' + i + '.left');
		var xmax = xmin + eval('document.layers.menu' + i + '.clip.width');
		var ymin = eval('document.layers.menu' + i + '.top');
		var ymax = ymin + eval('document.layers.menu' + i + '.clip.height');
	}    
	if(isIE4 || isIE5){
		var xmin = eval('document.all.menu' + i + '.style.pixelLeft');
		var xmax = xmin + eval('document.all.menu' + i + '.style.pixelWidth');
		var ymin = eval('document.all.menu' + i + '.style.pixelTop');
		var ymax = ymin + eval('document.all.menu' + i + '.style.pixelHeight');
	}
	if(isNS6){
		var myElement = document.getElementById('menu' + i);
		var xmin = eval('myElement.style.pixelLeft');
		var xmax = xmin + eval('myElement.style.pixelWidth');
		var ymin = eval('myElement.style.pixelTop');
		var ymax = ymin + eval('myElement.style.pixelHeight');
	}
	if (mx >= xmin && mx <= xmax && my >= ymin && my <= ymax){
		h = 0;
		clearTimeout(timerID);
		timerID = setTimeout('ha()',100);
	} else { 
		h = 1;
	}
	return h;
}

function setBgColor(formEl){
	if(document.getElementById)formEl.style.backgroundColor  = '#CCCCCC';
}

function resetBgColor(formEl){
	if(document.getElementById)formEl.style.backgroundColor  = '#99ccff';
}