function openWindow(url, width, height)
{
	if ((width + 30 > screen.width) || (height + 60 > screen.height))
	{
	        width = width + 50;
                if (width > screen.width - 80)
			width = screen.width - 80;
	        height = height + 50;
		if (height > screen.height - 110)
			height = screen.height - 110;
		popupWin = window.open(url, "Image", "resizable,scrollbars,width=" + width + ",height=" + height + ",top=40,left=40,screenX=40,screenY=40");
	}
	else
	{
	        width = width + 18;
	        height = height + 26;
		popupWin = window.open(url, "Image", "resizable,width=" + width + ",height=" + height + ",top=40,left=40,screenX=40,screenY=40");
	}
}

function imageover(file)
{
	document.form1.img1.src = file;
}


function contents(file)
{
	self.location.replace(file);
}


function mHigh()
{
	event.srcElement.style.filter = "invert";
}

function mBack()
{
	event.srcElement.style.filter = "";
}

function preload()
{ 
  var img_list = preload.arguments;
  if (document.preloadlist == null) 
    document.preloadlist = new Array();
  var top = document.preloadlist.length;
  for (var i=0; i < img_list.length; i++) {
    document.preloadlist[top+i] = new Image;
    document.preloadlist[top+i].src = img_list[i];
  } 
}

function rollin(name, rpath)
{ 
  var img = eval((navigator.appName.indexOf('Netscape', 0) != -1) ? 'document.'+name : 'document.all.'+name);
  if (name == '')
    return;
  if (img) {
    img.altsrc = img.src;
    img.src    = rpath;
  } 
}

function rollout(name)
{
  var img = eval((navigator.appName.indexOf('Netscape', 0) != -1) ? 'document.'+name : 'document.all.'+name);
  if (name == '')
    return;
  if (img && img.altsrc) {
    img.src    = img.altsrc;
    img.altsrc = null;
  } 
}