// Copyright 2006-2007 javascript-array.com

var timeout	= 175;
var closetimer	= 0;
var ddmenuitem	= 0;

// open hidden layer
function mopen(id)
{	
	// cancel close timer
	mcancelclosetime();

	// close old layer
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';

	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.visibility = 'visible';

}
// close showed layer
function mclose()
{
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
}

// go close timer
function mclosetime()
{
	closetimer = window.setTimeout(mclose, timeout);
}

// cancel close timer
function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}

// close layer when click-out
document.onclick = mclose; 


<!-- Copyright 2006,2007 Bontrager Connection, LLC
// http://bontragerconnection.com/ and http://willmaster.com/
// Version: July 28, 2007
var cX = 0; var cY = 0; var rX = 0; var rY = 0;
function UpdateCursorPosition(e){ cX = e.pageX; cY = e.pageY;}
function UpdateCursorPositionDocAll(e){ cX = event.clientX; cY = event.clientY;}
if(document.all) { document.onmousemove = UpdateCursorPositionDocAll; }
else { document.onmousemove = UpdateCursorPosition; }
function AssignPosition(d) {
if(self.pageYOffset) {
	rX = self.pageXOffset;
	rY = self.pageYOffset;
	}
else if(document.documentElement && document.documentElement.scrollTop) {
	rX = document.documentElement.scrollLeft;
	rY = document.documentElement.scrollTop;
	}
else if(document.body) {
	rX = document.body.scrollLeft;
	rY = document.body.scrollTop;
	}
if(document.all) {
	cX += rX; 
	cY += rY;
	}
d.style.left = (cX+10) + "px";
d.style.top = (cY+10) + "px";
}
function HideContent(d) {
if(d.length < 1) { return; }
document.getElementById(d).style.display = "none";
}
function ShowContent(d) {
if(d.length < 1) { return; }
var dd = document.getElementById(d);
AssignPosition(dd);
dd.style.display = "block";
}
function ReverseContentDisplay(d) {
if(d.length < 1) { return; }
var dd = document.getElementById(d);
AssignPosition(dd);
if(dd.style.display == "none") { dd.style.display = "block"; }
else { dd.style.display = "none"; }
}
//-->


function resize(which, max) {
  var elem = document.getElementById(which);
  if (elem == undefined || elem == null) return false;
  if (max == undefined) max = 100;
  if (elem.width > elem.height) {
    if (elem.width > max) elem.width = max;
  } else {
    if (elem.height > max) elem.height = max;
  }
}