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;
		  }
		  
		  }