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){
	if(isIE4 || isIE5)eval('document.all.menu' + l + '.style.visibility = "visible"');
	if(isNS4)eval('document.layers.menu' + l + '.visibility = "show"');
	if(isNS6)var myElement = document.getElementById("menu" + l).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 MM_swapImgRestore() { 
	var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
	
function MM_preloadImages() { 
	var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
	var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
	if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
	
function MM_findObj(n, d) { 
	var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
	d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
	if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
	for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
	if(!x && document.getElementById) x=document.getElementById(n); return x;
}
	
function MM_swapImage() { 
	var i,j=0,x,a=MM_swapImage.arguments;
	document.MM_sr=new Array;
	for(i=0; i<(a.length-2); i+=3)
	if ((x=MM_findObj(a[i]))!=null){
	document.MM_sr[j++]=x;
	if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}	
}

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

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