BrowserOK = 
  (((navigator.appName == "Netscape") && 
  (parseInt(navigator.appVersion) >= 3 )) || 
  ((navigator.appName == "Microsoft Internet Explorer") && 
  (parseInt(navigator.appVersion) >= 4 ))); 

function ImgPreload(img) 
{
  var a=new Image(); a.src=img; return a; 
}

if(BrowserOK) {
	a1n=ImgPreload('mn1.gif');
	a1h=ImgPreload('mn1a.gif');
	a2n=ImgPreload('mn2.gif');
	a2h=ImgPreload('mn2a.gif');
	a3n=ImgPreload('mn3.gif');
	a3h=ImgPreload('mn3a.gif');
	a4n=ImgPreload('mn4.gif');
	a4h=ImgPreload('mn4a.gif');
	a5n=ImgPreload('mn5a.gif');
	a5h=ImgPreload('mn5.gif');
	}

    
function winview (iname,imagepath,w,h,wtitle) {
var wo = window.open("", "wv" + iname ,
				"directories=no,menubar=no,resizable=no,width=" + ( w ) + ",height=" + ( h ) , true );
var d = wo.document;
	d.write("<HEAD><TITLE>" + wtitle + "</TITLE></HEAD>");
	d.write('<span style="position:absolute; left:0px; top:0px;">');
	d.write('<img src="' + imagepath + '" width="' + w + '" height="' + h + '"></span>');
	d.close();
}
    