// JavaScript Document

function noenter1(e) {
			var keycode;
			if (window.event) 
				keycode = window.event.keyCode;
			else if (e) 
				keycode = e.which;
			else return true;

			if (keycode == 13)
			 {
				checkcontactFields1();
				return false;
			}
			else
				return true;
  }
  

function checkcontactFields1()
{ 

	var doc = document.frmRegister1;
	var missinginfo = "";
	
//	document.getElementById("showerr2").style.display="none";
	
	
		if((doc.name.value=="name")|| (doc.name.value=="Name")||(doc.name.value=="NAME"))
		{

		document.getElementById("showerr1").style.display="block";
		document.getElementById('err1').innerHTML='Please enter your Name';
		doc.name.focus();
		doc.name.value='';
		return false;
		}
		
		if(isNumberKey1(doc.name.value) || checkSpecialChars11(doc.name.value)){
			document.getElementById("showerr1").style.display="block";
			document.getElementById('err1').innerHTML='Please enter a valid name.';
			doc.name.focus();
			doc.name.value='';
			return false;
		}
	 
	   
		if(!validateEmail(doc.email.value))
	{
		document.getElementById("showerr1").style.display="block";
		document.getElementById('err1').innerHTML='Please enter valid Email address';
		doc.email.value='';
		doc.email.focus();
		return false;
	}
	if(!validateEmail(doc.confirmemail.value))
	{
		document.getElementById("showerr1").style.display="block";
		document.getElementById('err1').innerHTML='Please enter valid Email address';
		doc.confirmemail.value='';
		doc.confirmemail.focus();
		return false;
	}
      if(doc.email.value != doc.confirmemail.value){
		  document.getElementById("showerr1").style.display="block";
		document.getElementById('err1').innerHTML='Please enter valid Email  and confirm address';
		doc.confirmemail.value='';
		doc.confirmemail.focus();
		return false;
	  }
	  
	  if(document.getElementById('emailform').style.display == 'block'){
		  document.getElementById('emailform').style.display = 'none';
		  document.getElementById('captchaform').style.display = 'block';
		  return false;
	  }
	
	     
}






var whitespace =" \t\n\r ";
function isEmpty1(str)
{  
	return ((str == null) || (str.length == 0))
}

function isEmpty(str)
{    var i;
	 var flag
 	 if (isEmpty1(str)) return true;	
	    for (i = 0; i < str.length; i++)
 	   {   
 	       var c = str.charAt(i);

		   if (whitespace.indexOf(c) == -1)
		   		return false
 	   }	
		    return true;
}

function isNumberKey1(strString)
      {
		  var strValidChars = "0123456789";
		  var i;
          for (i = 0; i < strString.length; i++)
		  {
			var strChar = strString.charAt(i);
		    if(strValidChars.indexOf(strChar) == -1)
			 {
				return false;
			 }
		  }
		  return true;
      }

function checkSpecialChars11(str1){
     var specialChars="\\(\\)<>@,`';:~!#$%^&*+=|{}?\\\\\\\"\\.\\[\\]";
	 var i,j;
	 for(j=0;j < str1.length; j++){
		 var c = str1.charAt(j);
		for(i=0;i<specialChars.length;i++){
			var c1 = specialChars.charAt(i);
			if(c == c1){
				 return true;
			}
		}
	 }
	  return false;
  }

function validateEmail(emailStr)
{
	
			/* 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=/^(.+)@(.+)$/
			/* The following string represents the pattern for matching all special
			   characters.  We don't want to allow special characters in the address. 
			   These characters include ( ) < > @ , ; : \ " . [ ]    */
			//var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
			var specialChars="\\(\\)<>@,`';:~!#$%^&*+=|{}?\\\\\\\"\\.\\[\\]"
			
			/* 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 e-mail 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
			   e-mail address. NOTE: The square brackets are required. */
			var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
			/* The following string represents an atom (basically a series of
			   non-special characters.) */
			var atom=validChars + '+'
			/* The following string represents one word in the typical username.
			   For example, in sg.sg@somewhere.com, sg and sg are words.
			   Basically, a word is either an atom or quoted string. */
			var word="(" + atom + "|" + quotedUser + ")"
			// The following pattern describes the structure of the user
			var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
			/* 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 e-mail 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 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
			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;
}
