function checkform(form)
{

	
// check if user enterd the Business Name 
   if(form.BusName.value == "")
   {
	   alert("Please enter a valid Business Name");
	   form.BusName.focus();
	   return false;
   }

// check if user enterd the Business Phone 
   if(form.BusPhone.value == "")
   {
	   alert("Please enter Business Phone");
	   form.BusPhone.focus();
	   return false;
   }
	
// check if user enterd the Business Address
   if(form.BusAddress.value == "")
   {
	   alert("Please enter Business Address");
	   form.BusAddress.focus();
	   return false;
   }	


// check if user enterd the Business City
   if(form.BusCity.value == "")
   {
	   alert("Please enter Business City");
	   form.BusCity.focus();
	   return false;
   }

// check if user enterd the Business Zip
   if(form.BusZIP.value == "")
   {
	   alert("Please enter Business ZIP");
	   form.BusZIP.focus();
	   return false;
   }



// check if user has entered > 100 words
	var words = form.BusDescription.value;
	var wordsarray = words.split(" ");
	var numwords = wordsarray.length;
	if(numwords > 100)
	{
		left = numwords - 100;
		alert("You entered more than 100 words in Business Description Field. Please remove "+left+" word(s).");
		form.BusDescription.focus();
		return false;
	}
	if(form.BusDescription.value=="")
	{
		alert("You did not enter Business Description.");
		form.BusDescription.focus();
		return false;		
	}
	

// check if user enterd the Member Name
   if(form.MemberName.value == "")
   {
	   alert("Please enter Member Name");
	   form.MemberName.focus();
	   return false;
   }

// check if user enterd the Correct Member Email
	if (!emailCheck(form.MemberEmail.value))
	   {
	     form.MemberEmail.focus();
	     return false;
       }
	   
//check for the check boxes
	var num_of_elements = document.getElementById("form1").length;
	var flag = 0;
	for (var i=0; i<num_of_elements; i++)
	{
		var theElement = form.elements[i];
		var element_type = theElement.type;
		var element_name = theElement.name;
		if(element_type == "checkbox")
		{
			if (theElement.checked == true)
			{
				flag++;
			}
		}
	}
	if(flag < 1 && form.CategoryOther.value == "")
	{
		alert("Please select at least one Business Type or enter a new Type in the text field labeled 'Other'.");
	     form.CategoryOther.focus();
	     return false;	
	}



// everu thing is just perfect	
	return true;
}



function emailCheck (emailStr) {

/* The following variable tells the rest of the function whether or not
to verify that the address ends in a two-letter country or well-known
TLD.  1 means check it, 0 means don't. */

var checkTLD=1;

/* The following is the list of known TLDs that an e-mail address must end with. */

var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;

/* The following pattern is used to check if the entered e-mail address
fits the user@domain format.  It also is used to separate the username
from the domain. */

var emailPat=/^(.+)@(.+)$/;

/* The following string represents the pattern for matching all special
characters.  We don't want to allow special characters in the address. 
These characters include ( ) < > @ , ; : \ " . [ ] */

var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";

/* The following string represents the range of characters allowed in a 
username or domainname.  It really states which chars aren't allowed.*/

var validChars="\[^\\s" + specialChars + "\]";

/* The following pattern applies if the "user" is a quoted string (in
which case, there are no rules about which characters are allowed
and which aren't; anything goes).  E.g. "jiminy cricket"@disney.com
is a legal e-mail address. */

var quotedUser="(\"[^\"]*\")";

/* The following pattern applies for domains that are IP addresses,
rather than symbolic names.  E.g. joe@[123.124.233.4] is a legal
e-mail address. NOTE: The square brackets are required. */

var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;

/* The following string represents an atom (basically a series of non-special characters.) */

var atom=validChars + '+';

/* The following string represents one word in the typical username.
For example, in john.doe@somewhere.com, john and doe are words.
Basically, a word is either an atom or quoted string. */

var word="(" + atom + "|" + quotedUser + ")";

// The following pattern describes the structure of the user

var userPat=new RegExp("^" + word + "(\\." + word + ")*$");

/* The following pattern describes the structure of a normal symbolic
domain, as opposed to ipDomainPat, shown above. */

var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");

/* Finally, let's start trying to figure out if the supplied address is valid. */

/* Begin with the coarse pattern to simply break up user@domain into
different pieces that are easy to analyze. */

var matchArray=emailStr.match(emailPat);

if (matchArray==null) {

/* Too many/few @'s or something; basically, this address doesn't
even fit the general mould of a valid e-mail address. */

alert("Email address seems incorrect (check @ and .'s)");
return false;
}
var user=matchArray[1];
var domain=matchArray[2];

// Start by checking that only basic ASCII characters are in the strings (0-127).

for (i=0; i<user.length; i++) {
if (user.charCodeAt(i)>127) {
alert("Ths username contains invalid characters.");
return false;
   }
}
for (i=0; i<domain.length; i++) {
if (domain.charCodeAt(i)>127) {
alert("Ths domain name contains invalid characters.");
return false;
   }
}

// See if "user" is valid 

if (user.match(userPat)==null) {

// user is not valid

alert("The username doesn't seem to be valid.");
return false;
}

/* if the e-mail address is at an IP address (as opposed to a symbolic
host name) make sure the IP address is valid. */

var IPArray=domain.match(ipDomainPat);
if (IPArray!=null) {

// this is an IP address

for (var i=1;i<=4;i++) {
if (IPArray[i]>255) {
alert("Destination IP address is invalid!");
return false;
   }
}
return true;
}

// Domain is symbolic name.  Check if it's valid.
 
var atomPat=new RegExp("^" + atom + "$");
var domArr=domain.split(".");
var len=domArr.length;
for (i=0;i<len;i++) {
if (domArr[i].search(atomPat)==-1) {
alert("The domain name does not seem to be valid.");
return false;
   }
}

/* domain name seems valid, but now make sure that it ends in a
known top-level domain (like com, edu, gov) or a two-letter word,
representing country (uk, nl), and that there's a hostname preceding 
the domain or country. */

if (checkTLD && domArr[domArr.length-1].length!=2 && 
domArr[domArr.length-1].search(knownDomsPat)==-1) {
alert("The address must end in a well-known domain or two letter " + "country.");
return false;
}

// Make sure there's a host name preceding the domain.

if (len<2) {
alert("This address is missing a hostname!");
return false;
}

// If we've gotten this far, everything's valid!
return true;
}