function checknum(f1)
{
  var n = window.event.keyCode;
  if(!(n>=48 && n<=57))
  {
     alert("Please enter Digits");
	 window.event.keyCode = "";
  }
}

function checkchar(f1)
{
  var n = window.event.keyCode;
  if(!((n>=65 && n<=90) || (n>=97 && n<=122)))
  {
     alert("Please enter alphabetic character");
	 window.event.keyCode = ""; 
  }
}


function checkform(f2)
{
  if (f2.nm.value == "")
  {
    alert("Please enter your Name.");
    f2.nm.focus();
    return (false);
  }  
  
  if (f2.city.value == "")
  {
    alert("Please enter your Address.");
    f2.city.focus();
    return (false);
  }  
  
    if (f2.phd.value == "")
  {
    alert("Day Phone cannot be blank!!!");
    f2.phd.focus();
    return (false);
  }  

  if (f2.email.value == "")
  {
    alert("Please enter your Email Id.");
    f2.email.focus();
    return (false);
  }
  
  if (f2.email.value.indexOf ('@',0) == -1 || f2.email.value.indexOf ('.',0) == -1)
   {
    alert("Please enter valid Email Id.");
    f2.email.focus();
    return (false);
  }
 if (f2.month.value == "")
  {
    alert("Date of Event : Month cannot be blank!!!");
    f2.month.focus();
    return (false);
  }  
   if (f2.day.value == "")
  {
    alert("Date of Event : Day cannot be blank!!!");
    f2.day.focus();
    return (false);
  }  
   if (f2.year.value == "")
  {
    alert("Date of Event : Yesr cannot be blank!!!");
    f2.year.focus();
    return (false);
  }  
return (true);
}