function checkAllFields(fieldname)
{
// create a shortened variable fro "s_msg" (success message)
var ag = "s_msg"; //look in the big IF statement, this just shortens the code
// create a variable called "failed" that will store the class name of the element we are working on.
var failed = document.getElementById(fieldname + '_msg').className;
// create variables of all the class names that are in our form regarding error/success messages.
var f1 = document.getElementById('fn_msg').className;
var f2 = document.getElementById('em_msg').className;
// if our failed variable is set to "f_msg" then our validation must have failed somewhere so diable the submit button
if (failed == "f_msg")
{
document.getElementById('submit').disabled="disabled";
}
else // else run the following last check
{
// if all our variables (class names) are equal to our variable "ag" which is "s_msg" (success message) then enable the submit button
if (f1 == ag && f2 == ag )
{
document.getElementById('submit').disabled="";
}
else // else keep the button disabled.
{
document.getElementById('submit').disabled="disabled";
}
}
}// end the function checkAllFields.
/*****************************************************
Required - all feilds not empty
*****************************************************/
function rqNotEmpty(entered,fieldname)
{
// if the value (entered) of the field is empty (length == 0) then provide error message.
if(entered.length==0)
{
document.getElementById(fieldname+'_msg').innerHTML='
';
document.getElementById(fieldname+'_msg').className="f_msg";
}
// otherwise provide success message.
else
{
document.getElementById(fieldname+'_msg').className="s_msg";
document.getElementById(fieldname+'_msg').innerHTML='
';
}
return true;
}// end the function rqNotEmpty.
/*****************************************************
Required - Alphabets Only.
*****************************************************/
// check for alpha characters only.
function alphonly(entered,fieldname)
{
// if the value (entered) of the name field is empty (length == 0) then send to the function rqNotEmpty to give empty error message.
if(entered.length==0)
{
rqNotEmpty(entered,fieldname);
}
// otherwise check it is alpha only (no numbers).
else
{
// initialise the regular expression and place in a variable called regexy.
var regexy = /[0123456789.\/\\.<>?:";',\[\]\{\}=\+\*\)\(&^%$#@!]/
// check to see if regexy test on the value (entered) was incorrect, if so give error message
if (regexy.test(entered))
{
document.getElementById(fieldname+'_msg').innerHTML='';
document.getElementById(fieldname+'_msg').className="f_msg";
}
// otherwise provide a success message.
else
{
document.getElementById(fieldname+'_msg').className="s_msg";
document.getElementById(fieldname+'_msg').innerHTML='';
return true;
}
}
}// end alphaonly function.
/*****************************************************
Required - Email Only
*****************************************************/
//checks emails only
function rqCheckEmail(entered,fieldname)
{
// if the value (entered) of the name field is empty (length == 0) then send to the function rqNotEmpty to give empty error message.
if(entered.length==0)
{
rqNotEmpty(entered,fieldname);
}
// otherwise check it is numeric.
else
{
// initialise the regular expression and place in a variable called regexy.
regexy = /^[\w\.]+@[a-zA-Z_]+?\.[a-zA-Z\.]{2,6}$/;
// check to see if regexy test on the value (entered) was incorrect, if so give error message
if (!regexy.test(entered))
{
document.getElementById(fieldname+'_msg').innerHTML='';
document.getElementById(fieldname+'_msg').className="f_msg";
}
// otherwise provide a success message.
else
{
document.getElementById(fieldname+'_msg').className="s_msg";
document.getElementById(fieldname+'_msg').innerHTML='';
return true;
}
}
}// end the function rqCheckEmail.
/*****************************************************
Required - Numbers Only.
*****************************************************/
// check for Numeric characters only.
function numbersOnly(entered,fieldname)
{
// if the value (entered) of the name field is empty (length == 0) then send to the function rqNotEmpty to give empty error message.
if(entered.length==0)
{
rqNotEmpty(entered,fieldname);
}
// otherwise check it is numeric.
else
{
// initialise the regular expression and place in a variable called regexy.
regexy = /^[1-9.]{1}[0-9.]*$/;
// check to see if regexy test on the value (entered) was incorrect, if so give error message
if (!regexy.test(entered))
{
document.getElementById(fieldname+'_msg').className="f_msg";
document.getElementById(fieldname+'_msg').innerHTML='';
}
// otherwise display a success message.
else
{
document.getElementById(fieldname+'_msg').className="s_msg";
document.getElementById(fieldname+'_msg').innerHTML='';
return true;
}
}
} // end numbers only function
function getXMLHTTP()
{ //fuction to return the xml http object
var xmlhttp=false;
try
{
xmlhttp=new XMLHttpRequest();
}
catch(e)
{
try
{
xmlhttp= new ActiveXObject("Microsoft.XMLHTTP");
}
catch(e)
{
try
{
xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
}
catch(e1)
{
xmlhttp=false;
}
}
}
return xmlhttp;
}
function getcommon(strURL,divname)
{
var req = getXMLHTTP();
if (req)
{
req.onreadystatechange = function()
{
if (req.readyState == 4)
{
// only if "OK"
if (req.status == 200)
{
document.getElementById(divname).innerHTML=req.responseText;
}
}
}
req.open("GET", strURL, true);
req.send(null);
}
}