function mail()
{
	coded = "ofpw1sl9t@qt7nlwt7.yp9"
	cipher = "aZbYcXdWeVfUgThSiRjQkPlOmNnMoLpKqJrIsHtGuFvEwDxCyBzA1234567890"
	shift=coded.length
	link=""
	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))
			}				
	}
	document.write("<a href='mailto:"+link+"'>GUIDET & associés</a>")
}