function displayWindow(url, width, height) 
	   {
       var Win = window.open(url,"displayWindow",'width=' + width + ',height=' + height + ',resizable=0,scrollbars=yes,menubar=no' );
       }
	   
	   function ShowNewsletterWindow() 
	   {
		var email=document.f.email_sub.value;
       var Win = window.open("newsletterwindow.php?email_sub=" + email,"displayWindow",'width=300,height=200,resizable=0,scrollbars=no,menubar=no' );
       }