// Copyright 1999 - 2002 by Ray Stott, Pop-up Windows Script ver 2.0
// OK to use if this copyright is included
// Script is available at http://www.crays.com/jsc

var popWin = null;    // use this when referring to pop-up window
var winCount = 0;
var winName = "popWin";
function openPopWin( winURL, winWidth, winHeight, winFeatures, winLeft, winTop )
{
	var d_winLeft = 20;  // default, pixels from screen left to window left
	var d_winTop = 20;   // default, pixels from screen top to window top
	winName = "popWin" + winCount++; //unique name for each pop-up window
	closePopWin();         // close any previously opened pop-up window
	if (openPopWin.arguments.length >= 4)  // any additional features?
		winFeatures = "," + winFeatures;
	else
		winFeatures = "";
	if (openPopWin.arguments.length == 6)  // location specified
		winFeatures += getLocation(winWidth, winHeight, winLeft, winTop);
	else
		winFeatures += getLocation(winWidth, winHeight, d_winLeft, d_winTop);
	popWin = window.open(winURL, winName, "width=" + winWidth
		   + ",height=" + winHeight + winFeatures);
}

function closePopWin() // close pop-up window if it is open
{    
	if (navigator.appName != "Microsoft Internet Explorer"
	    || parseInt(navigator.appVersion) >=4) //do not close if early IE
	if(popWin != null) if(!popWin.closed) popWin.close();
}

function getLocation( winWidth, winHeight, winLeft, winTop )
{
	var winLocation = "";
	if (winLeft < 0)
		winLeft = screen.width - winWidth + winLeft;
	if (winTop < 0)
		winTop = screen.height - winHeight + winTop;
	if (winTop == "cen")
		winTop = (screen.height - winHeight)/2 - 20;
	if (winLeft == "cen")
		winLeft = (screen.width - winWidth)/2;
	if (winLeft>0 & winTop>0)
		winLocation =  ",screenX=" + winLeft + ",left=" + winLeft
					+ ",screenY=" + winTop + ",top=" + winTop;
	else
		winLocation = "";
	return ( winLocation );
}

// END OF - Copyright 1999 - 2002 by Ray Stott, Pop-up Windows Script ver 2.0