function checkLink(x){
  y = new String(x)
  z = /investnt/gi;
  zPos = y.search(z)
  if(zPos>0){
    return true
  }else{
    if(confirm("You are now leaving the investNT Website, investNT is not responsible for content provided by linked sites.")){
      return true
    }else{
      return false
    }
  }
}