کد قرار دادن دکمه عقب و جلو در وب

<!-- Start of Back/Forward Buttons Script--> <!-- Instructions: Just put this script anywhere on your webpage and you will give your visitor 2 Back and Forward Navigation buttons. Designed for websites that have multiple webpages. --> <SCRIPT LANGUAGE="JavaScript"> <!-- hide this script tag's contents from old browsers function goHist(a) { history.go(a); // Go back one. } //<!-- done hiding from old browsers --> </script> <FORM METHOD="post"> <INPUT TYPE="button" VALUE=" BACK " onClick="goHist(-1)"> <INPUT TYPE="button" VALUE="FORWARD" onClick="goHist(1)"> </form>