cremlink1()
function cremlink1 () {
var fs = "roopnut"
fs= fs.substr(4,3) + fs.substr(0,4)
var j = "paul@panutroopulspages.co.uk"
var k = j.substr(0, j.indexOf(fs)) +  
        j.substring(j.indexOf(fs) + fs.length, j.length) 

document.write("<a href='mailto:" + k + "'>" + k + "</a>")
}