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) {
	n1=ImgPreload('http://www.seagullmedica.it/img/01.png');
	p1=ImgPreload('http://www.seagullmedica.it/img/11.png');
	n3=ImgPreload('http://www.seagullmedica.it/img/03.png');
	p3=ImgPreload('http://www.seagullmedica.it/img/13.png');
	n2=ImgPreload('http://www.seagullmedica.it/img/02.png');
	p2=ImgPreload('http://www.seagullmedica.it/img/12.png');
	n4=ImgPreload('http://www.seagullmedica.it/img/04.png');
	p4=ImgPreload('http://www.seagullmedica.it/img/14.png');
	n5=ImgPreload('http://www.seagullmedica.it/img/05.png');
	p5=ImgPreload('http://www.seagullmedica.it/img/15.png');
	n6=ImgPreload('http://www.seagullmedica.it/img/06.png');
	p6=ImgPreload('http://www.seagullmedica.it/img/16.png');
	n7=ImgPreload('http://www.seagullmedica.it/img/07.png');
	p7=ImgPreload('http://www.seagullmedica.it/img/17.png');
	n8=ImgPreload('http://www.seagullmedica.it/img/08.png');
	p8=ImgPreload('http://www.seagullmedica.it/img/18.png');
	
	}