function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		hbird_10_over = newImage("images/hbird_10-over.gif");
		hbird_14_over = newImage("images/hbird_14-over.gif");
		hbird_15_over = newImage("images/hbird_15-over.gif");
		hbird_16_over = newImage("images/hbird_16-over.gif");
		hbird_17_over = newImage("images/hbird_17-over.gif");
		hbird_18_over = newImage("images/hbird_18-over.gif");
		hbird_19_over = newImage("images/hbird_19-over.gif");
		preloadFlag = true;
	}
}

/*  Carey Parder
/*  assign "newWindow" and "pagename" as global variables                                              */
/*  function "detailwindow" receives pagename from MouseOver event and opens the page in a new window  */
/*  var newWindow = the newly opened window                                                            */

var newWindow
var pagename
var ht
var wd

function detailwindow(pagename,wd,ht)
{
newWindow = window.open (pagename, "newWindow", "status=no,toolbar=no,location=no,scrollbars=no,resizable=no,width="+wd+",height="+ht+",screenX=20,screenY=20,left=20,top=20");
newWindow;
}

function detailwindow1(pagename)
{
newWindow = window.open (pagename, 'newWindow', "status=no,toolbar=no,location=no,scrollbars=no,resizable=no,width=650,height=150,screenX=20,screenY=20,left=20,top=20");
newWindow;
}

function detailwindow2(pagename)
{
newWindow = window.open (pagename, 'newWindow', "status=no,toolbar=no,location=no,scrollbars=no,resizable=no,width=650,height=270,screenX=20,screenY=20,left=20,top=20");
newWindow;
}

function videowindow(sourcefile, w, h) 
	{
	newWin = window.open(sourcefile,"menu1","status=no,toolbar=no,location=no,scrollbars=no,resizable=no,width="+w+",height="+h+",screenX=100,screenY=100,left=100,top=100");
	newWin.focus
	}