function chk_frm(){
	if ((document.orfrm.fname.value == "") || (!IsAlphabets(document.orfrm.fname.value))){
		alert("Please Enter First Name in letters");
		document.orfrm.fname.focus();
		return false;
	}
	else if ((document.orfrm.lname.value == "") || (!IsAlphabets(document.orfrm.lname.value))){
		alert("Please Enter Last Name in letters");
		document.orfrm.lname.focus();
		return false;
	}
	else if(document.orfrm.email.value == ""){
		alert("Please Enter Email");
		document.orfrm.email.focus();
		return false;
	}
	else if(document.orfrm.email.value.indexOf('@')==-1 || document.orfrm.email.value.indexOf('.')==-1){
		alert("Please enter valid email address.");
		document.orfrm.email.focus();
		return false;
	}
	else if((document.orfrm.notesf.value.length>500) || (document.orfrm.notesf.value.length<1)){
		alert("Please Enter Notes of upto 500 characters");
		document.orfrm.notesf.focus();
		return false;
	}
	else
	{
		return true;
	}




}

function IsNumeric(sText)
{
   var ValidChars = "0123456789";
   var IsNumber=true;
   var Char;

 
   for (i = 0; i < sText.length && IsNumber == true; i++) 
      { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNumber = false;
         }
      }
   return IsNumber;
   
}

function IsAlphabets(sText)
{
   var ValidChars = "abcdefghijklmnopqrstuvwxyz ";
   var IsAlphabets=true;
   var Char;

 
   for (i = 0; i < sText.length && IsAlphabets == true; i++) 
      { 
      Char = sText.charAt(i).toLowerCase(); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsAlphabets = false;
         }
      }
   return IsAlphabets;
   
}

function IsAllowed(sText)
{
   var ValidChars = "abcdefghijklmnopqrstuvwxyz1234567890";
   var IsAllowed=true;
   var Char;

 
   for (i = 0; i < sText.length && IsAllowed == true; i++) 
      { 
      Char = sText.charAt(i).toLowerCase(); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsAllowed = false;
         }
      }
   return IsAllowed;
   
}

function IsAllowedd(sText)
{
   var ValidChars = "abcdefghijklmnopqrstuvwxyz1234567890 ";
   var IsAllowed=true;
   var Char;

 
   for (i = 0; i < sText.length && IsAllowed == true; i++) 
      { 
      Char = sText.charAt(i).toLowerCase(); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsAllowed = false;
         }
      }
   return IsAllowed;
   
}