function emailcheck1(str)

 {

var at="@"

var dot="."

var lat=str.indexOf(at)

var lstr=str.length

var ldot=str.indexOf(dot)

if (str.indexOf(at)==-1){

alert("The eMail address '@' convention appears to be invalid.")

return false

}

if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){

alert("The eMail address '@' convention appears to be invalid.")

return false

}

if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){

alert("The eMail address 'dot' convention appears to be invalid.")

return false

}

if (str.indexOf(at,(lat+1))!=-1){

alert("The eMail address '@' convention appears to be invalid.")

return false

}

if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){

alert("The eMail address 'dot' convention appears to be invalid.")

return false

}

if (str.indexOf(dot,(lat+2))==-1){

alert("The eMail address 'dot' convention appears to be invalid.")

return false

}

if (str.indexOf(" ")!=-1){

alert("The eMail address spacing convention appears to be invalid.")

return false

}

return true 

  }

  function IsNumeric1(strString)

   //  check for valid numeric strings  

   {

   var strValidChars = "0123456789.-";

   var strChar;

   var blnResult = true;



   if (strString.length == 0) return false;



   //  test strString consists of valid characters listed above

   for (i = 0; i < strString.length && blnResult == true; i++)

      {

      strChar = strString.charAt(i);

      if (strValidChars.indexOf(strChar) == -1)

         {

         blnResult = false;

         }

      }

   return blnResult;

   }

          function validate1()

          {

          var fname,email,interest,Comments;

          fname=document.getElementById("name").value;

          email=document.getElementById('email').value;

          interest=document.getElementById('interest').value;

          Comments=document.getElementById('comments').value;

                  if (fname=="Name")

          {

          alert("Please Fill Name");

          document.getElementById('name').focus();

          return false;

          }

            if (fname=="")

          {

          alert("Please Fill Name");

          document.getElementById('name').focus();

          return false;

          }

               if (email=="")

          {

          alert("Please Enter Email Id");

          document.getElementById('email').focus();

          return false;

          }

                   if (email=="Email")

          {

          alert("Please Enter Email Id");

          document.getElementById('email').focus();

          return false;

          }

        if (emailcheck1(document.getElementById("email").value)==false)

            {

            document.getElementById("email").focus();

            return false;

                }

              if (interest=="")

          {

          alert("Please Select Your Interest");

          document.getElementById('interest').focus();

          return false;

          }

          if (Comments=="")

          {

          alert("Please Enter Your Comments");

          document.getElementById('comments').focus();

          return false;

          }

          if (Comments=="Comments")

          {

          alert("Please Enter Your Comments");

          document.getElementById('comments').focus();

          return false;

          }

          

          }