function MM_preloadImages() {
  //v3.0
  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_swapImgRestore() { //v3.0
  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_findObj(n, d) { //v4.01
  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() { //v3.0
  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 OpenCtredWindow(theURL,WW, WH,features) { //v2.0
	posX = (screen.width/2) - (WW/2);
	posY = (screen.height/2) - (WH/2);
	newwin = window.open(theURL,"",features);
	newwin.moveTo(posX,posY);
}

function $(element_id)
{
	return document.getElementById(element_id);
}

function displayMenu(link_element)
{
	$(link_element.id+'_menu').style.display = '';
}

function is_child_of(parent, child)
{
	if (child != null)
	{			
		while (child.parentNode)
		{
			if ((child = child.parentNode) == parent )
				return true;
		}
	}
	return false;
}

function hideMenu(element, event, menu)
{
	var current_mouse_target = null;
	
	if (event.toElement)
		current_mouse_target = event.toElement;
	else if( event.relatedTarget )
		current_mouse_target = event.relatedTarget;

	if (!is_child_of(element, current_mouse_target) && element != current_mouse_target)
	{
		if (current_mouse_target && current_mouse_target.id != menu)
		{
			element.style.display = "none";
			MM_swapImgRestore();
		}
	}
}