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 && d.getElementById) x=d.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];}
}

Menu = {timer: null, current: null};
Menu.getStyle = function(subMenu)
{
	if (document.getElementById) return document.getElementById(subMenu).style;
	else if (document.all) return document.all[subMenu].style;
	else if (document.layers) return document.layers[subMenu];
}

Menu.show = function(subMenu)
{
	if (this.timer) clearTimeout(this.timer);
	this.getStyle(subMenu).visibility = "visible";
	this.current = subMenu;
}

Menu.hide = function(subMenu)
{
	this.timer = setTimeout("Menu.doHide()", 200);
}

Menu.doHide = function()
{
	if (this.current)
	{
		this.getStyle(this.current).visibility = "hidden";
		this.current = null;
	}
}

function openPopup(url, w, h, doScroll)
{
	var posL = (screen.width) ? (screen.width - w) / 2 : 0;
	var posT = (screen.height) ? (screen.height - h) / 2 : 0;

	var settings = 'height='+h+', width='+w+', top='+posT+', left='+posL+', menubar=no, scrollbars='+doScroll;
	var myWindow   = window.open (url, 'msPopup', settings);
}