//--------------------------------
// popup code
var popupwin = null;
var ary = new Array();
var first = true;
var previous_url;

var screenHeight = Math.round(screen.availHeight * 0.90)	
function windowOpen(url,openHeight) {		
	if (openHeight > screenHeight) {
		openHeight = screenHeight;
	}
	var winString = "height=" + openHeight + ",width=400,scrollbars=1,status=0,top=20,left=100";
	if (first) {
		popupwin = window.open( url, "packserv", winString);
		popupwin.focus();
		first = false;
	} else {
		if ( popupwin != null && !popupwin.closed && previous_url == url ) { popupwin.focus(); }
		else {
			if (popupwin.closed) {
				popupwin = window.open( url, "packserv", winString);
				popupwin.focus();
			} else {
				popupwin.location = url;
				popupwin.focus();
			}
		}	
	}
	previous_url = url ;
}

$(document).ready(function(){
	// if link class = popup then open link in a popup window. Rather than have JS function call inside link onclick
	$('a.popup').click(function() {
		windowOpen($(this).attr("href"),500);
		return false;
	});
});