
function registration()
{

var val=document.login;
if(val.fname.value=="")
	{
		alert("Please enter your first name.\n");
		val.fname.focus();
		return false;
		ret = "f";
	}
if(val.lname.value=="")
	{
		alert("Please enter your last name.\n");
		val.lname.focus();
		return false;
		ret = "f";
	}	

	if(val.email.value=="")
	{
		alert("Please enter your email address.\n");
		val.email.focus();
		return false;
		ret = "f";
	}
if(!isValidEmail(val.email.value))
	{
		alert("Please enter correct email address.\n");
		val.email.focus();
		return false;
   	  ret = "f";
  }
if(val.cemail.value=="")
	{
		alert("Please  confirm your  email address.\n");
		val.cemail.focus();
		return false;
		ret = "f";
	}
	
	if(val.email.value!=val.cemail.value)
	{
		alert("Both emails are not equal.\n");
		val.email.focus();
		return false;
		ret = "f";
	}
/*
	if(val.usrname.value=="")
	{
		alert("Please enter user name.\n");
		val.usrname.focus();
		return false;
		ret = "f";
	}	
*/
	if(val.password.value=="")
	{
		alert("Please enter your password .\n");
		val.password.focus();
		return false;
		ret = "f";
	}
	if(isValidPassword(val.password.value)==false)
	{
	alert("Password should have atleast 6 characters .\n");
		val.password.focus();
		return false;
		ret = "f";
	}
   if(val.vpassword.value=="")
	{
		alert("Please enter confirm password .\n");
		val.vpassword.focus();
		return false;
		ret = "f";
	}
	if(val.password.value!=val.vpassword.value)
	{
		alert("Both password are not equal.\n");
		val.password.focus();
		return false;
		ret = "f";
	}
/*	if(val.gender.value=="")
	{
		alert("Please enter gender type.\n");
		val.gender.focus();
		return false;
		ret = "f";
	}
	if(val.phno.value=="")
	{
		alert("Please enter phone number.\n");
		val.phno.focus();
		return false;
		ret = "f";
	}
	if(isAllNumerics(val.phno.value)==false)
	{
	 alert("Please enter phone number in digits only.\n");
		val.phno.focus();
		return false;
		ret = "f";
	
	}
	 if(val.edu.value=="")
	{
		alert("Please enter your qualification.\n");
		val.edu.focus();
		return false;
		ret = "f";
	}
	 if(val.language.value=="")
	{
		alert("Please enter your language.\n");
		val.language.focus();
		return false;
		ret = "f";
	}
	if(val.zip.value=="")
	{
		alert("Please enter zip code.\n");
		val.zip.focus();
		return false;
		ret = "f";
	}
	
	if(isAllNumerics(val.zip.value)==false)
	{
	 alert("Please enter zip code in digits only.\n");
		val.zip.focus();
		return false;
		ret = "f";
	
	}
	 if(val.expe.value=="")
	{
		alert("Please enter your experiance.\n");
		val.expe.focus();
		return false;
		ret = "f";
	}
*/	
	
	
	 if(val.company.value=="")
	{
		alert("Please enter company name .\n");
		val.company.focus();
		return false;
		ret = "f";
	}
	 if(val.jobtitle.value=="")
	{
		alert("Please enter job title .\n");
		val.jobtitle.focus();
		return false;
		ret = "f";
	}
	if(val.country.value=="")
	{
		alert("Please enter your location .\n");
		val.country.focus();
		return false;
		ret = "f";
	}
	if(val.industry.value=="")
	{
		alert("Please enter industry name .\n");
		val.industry.focus();
		return false;
		ret = "f";
	}
/*     if(val.bname.value=="")
	{
		alert("Please enter your bussiness.\n");
		val.bname.focus();
		return false;
		ret = "f";
	}
	 if(val.bphno.value=="")
	{
		alert("Please enter your bussiness phone number.\n");
		val.bphno.focus();
		return false;
		ret = "f";
	}
	if(isAllNumerics(val.bphno.value)==false)
	{
	 alert("Please enter phone number in digits only.\n");
		val.bphno.focus();
		return false;
		ret = "f";
	
	}
	 if(val.estyear.value=="")
	{
		alert("Please enter company establishment year.\n");
		val.estyear.focus();
		return false;
		ret = "f";
	}
	 if(val.baddress.value=="")
	{
		alert("Please enter your business address.\n");
		val.baddress.focus();
		return false;
		ret = "f";
	}
*/
document.login.submit();
}
function isValidPassword(val)
{
strval = val
if (strval.length < 6 || strval.length > 15)
   {
   	return false
   }	
else
   {
	return true;
   }	
}
function isAllNumerics(objValue)
{

		var characters="0123456789."
		var tmp
		var lTag
		lTag = 0
		temp = (objValue.length)
		//alert(objValue);
		for (var i=0;i<temp;i++)
		{
			tmp=objValue.substring(i,i+1)
			if (characters.indexOf(tmp)==-1)
			{
				lTag = 1
			}
		}
		if(lTag == 1)
			return false
		else
		  if(objValue<=0)
		   {
			return false
		   }else{ 	
			return true
		  }
}
function isValidEmail(emailStr)
{
			/* The following pattern is used to check if the entered email address
			   fits the user@domain format.  It also is used to separate the username
			   from the domain. */
			var emailPat=/^(.+)@(.+)$/
			/* The following string represents the pattern for matching all special
			   characters.  We don't want to allow special characters in the address. 
			   These characters include ( ) < > @ , ; : \ " . [ ]    */
			//var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
			var specialChars="\\(\\)<>@,`';:~!#$%^&*+=|{}?\\\\\\\"\\.\\[\\]"
			
			/* 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. "sg cricket"@disney.com
			   is a legal email address. */
			var quotedUser="(\"[^\"]*\")"
			/* The following pattern applies for domains that are IP addresses,
			   rather than symbolic names.  E.g. sg@[123.124.233.4] is a legal
			   email address. NOTE: The square brackets are required. */
			var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
			/* The following string represents an atom (basically a series of
			   non-special characters.) */
			var atom=validChars + '+'
			/* The following string represents one word in the typical username.
			   For example, in sg.sg@somewhere.com, sg and sg are words.
			   Basically, a word is either an atom or quoted string. */
			var word="(" + atom + "|" + quotedUser + ")"
			// The following pattern describes the structure of the user
			var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
			/* 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 email address. */
				//alert("Email address seems incorrect (check @ and .'s)")
				return false
			}
			var user=matchArray[1]
			var domain=matchArray[2]

			// 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 email 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
			var domainArray=domain.match(domainPat)
			if (domainArray==null) {
			//alert("The domain name doesn't seem to be valid.")
			    return false
			}

			/* domain name seems valid, but now make sure that it ends in a
			   three-letter word (like com, edu, gov) or a two-letter word,
			   representing country (uk, nl, no), and that there's a hostname preceding 
			   the domain or country. */

			/* Now we need to break up the domain to get a count of how many atoms
			   it consists of. */
			var atomPat=new RegExp(atom,"g")
			var domArr=domain.match(atomPat)
			var len=domArr.length
			if (domArr[domArr.length-1].length<2 || 
			    domArr[domArr.length-1].length>3) {
			   // the address must end in a two letter or three letter word.
			   //alert("The address must end in a three-letter domain, or two letter country.")
			   return false
			}

			// Make sure there's a host name preceding the domain.
			if (len<2) {
			   var errStr="This address is missing a hostname!"
			   //alert(errStr)
			   return false
			}

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