function zoomwin(site,width,height)  //opens new window with possibility to registrate for download or download instructions or more detail information
{	
	// Browser IE/Netscape:
if (navigator.appName=='Internet Explorer') 
{
	img_width = width + 50;
	img_height = height + 150;
}
else 
{
	img_width = width + 20;
	img_height = height + 100;
}
	zoomWin = open(site,"Zoom","width=" + img_width + ",height=" + img_height + ",toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0,dependent,copyhistory=no,left=0,top=0")
if (zoomWin!=null) 
  { zoomWin.focus();
  }
}