var version4 = (navigator.appVersion.charAt(0) == "4");
var popupHandle;


function displayPopup(position,url,name,height,width,evnt)
{

var properties = "resizable=1,scrollbars=1,toolbar=0,location=0,height="+height+",width="+width
var leftprop, topprop, screenX, screenY, cursorX, cursorY, padAmt

if(navigator.appName == "Microsoft Internet Explorer")
{
	//screenY = document.body.offsetHeight
	screenX = window.screen.availWidth
	screenY = window.screen.availHeight
}
else
{ 
	//screenY = window.outerHeight
	//screenX = window.outerWidth
	// change made 3/16/01 to work with Netscape:
	screenY = screen.height;
	screenX = screen.width;
}

leftvar = (screenX - width) / 2
rightvar = (screenY - height) / 2

if(navigator.appName == "Microsoft Internet Explorer")
{
	leftprop = leftvar
	topprop = rightvar
}
else
{ // adjust Netscape coordinates for scrolling
	leftprop = (leftvar - pageXOffset)
	topprop = (rightvar - pageYOffset)
}

properties = properties+",left="+leftprop+",top="+topprop
popupHandle = open(url,name,properties)
}