function orch_mail(coded) {
		cipher = "aZbYcXdWeVfUgThSiRjQkPlOmNnMoLpKqJrIsHtGuFvEwDxCyBzA1234567890"
		shift=coded.length
		link=""
		mailWin = ""
		ltr=""
		for (i=0; i<coded.length; i++){
			if (cipher.indexOf(coded.charAt(i))==-1){
				ltr=coded.charAt(i)
				link+=(ltr)
			}
			else {
				ltr = (cipher.indexOf(coded.charAt(i))-shift+cipher.length) % cipher.length
				link+=(cipher.charAt(ltr))
			}
    }
			mailWin = window.open("mailto:"+link+"?subject=Query via AmateurOrchestras.org.uk")
			
			var bname = navigator.appName;
			if (bname == "Netscape" || bname == "Opera"){
				mailWin.window.close()
			}
}