// JavaScript Document

function select_all(value) {
for (i = 0; i < forminputs.length; i++) {
// regex here to check name attribute

if (value == '1') {
forminputs[i].checked = true;
} else {
forminputs[i].checked = false;
}
}

}

function placeFocus() {

if (document.forms.length > 0) {

var field = document.forms[0];
for (i = 0; i < field.length; i++) {
if ((field.elements[i].type == "text") || (field.elements[i].type == "textarea") || (field.elements[i].type.toString().charAt(0) == "s")) {
document.forms[0].elements[i].focus();
break;
         }
      }
   }
}

function putFocus(formInst, elementInst) {
  if (document.forms.length > 0) {
   document.forms[formInst].elements[elementInst].focus();
  }
 }
 
function check_email(e) {
ok = "1234567890qwertyuiop[]asdfghjklzxcvbnm.@-_QWERTYUIOPASDFGHJKLZXCVBNM";

for(i=0; i < e.length ;i++){
if(ok.indexOf(e.charAt(i))<0){ 
return (false);
}	
} 

if (document.images) {
re = /(@.*@)|(\.\.)|(^\.)|(^@)|(@$)|(\.$)|(@\.)/;
re_two = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$/;
if (!e.match(re) && e.match(re_two)) {
return (-1);		
} 

}

}


<!--

function check_form(f) { // f is the form (passed using the this keyword)

var error='';
	if(f.name.value.length < 1){
	error="* Please, enter your name.";
	f.name.focus(); // put the prompt in the name field 
	// if the browser is Netscape 6 or IE
	
	}

// check the first email address ( the exclamation means "not" )
if(!check_email(f.email.value)){
error =error+ "\n * Please, enter valid e-mail address.";
f.email.focus(); 
// if the browser is Netscape 6 or IE
// make sure the form is not submitted

}

if (f.message.value.length<10) {
error =error+"\n * Please, enter your message";
f.message.focus();
}
if (error.length>3) { 
alert(error);
return false;
}
else {
f.submit();
}
} 

function prepare() {
formblock= document.getElementById('form_id');
forminputs = formblock.getElementsByTagName('input');
}

function select_all(value) {
for (i = 0; i < forminputs.length; i++) {
// regex here to check name attribute

if (value == '1') {
forminputs[i].checked = true;
} else {
forminputs[i].checked = false;
}
}

}

function mischandler(){
  if(EnableRightClick==1){ return true; }
  else {return false; }
}
function mousehandler(e){
  if(EnableRightClick==1){ return true; }
  var myevent = (isNS) ? e : event;
  var eventbutton = (isNS) ? myevent.which : myevent.button;
  if((eventbutton==2)||(eventbutton==3)) return false;
}
function keyhandler(e) {
  var myevent = (isNS) ? e : window.event;
  if (myevent.keyCode==96)
    EnableRightClick = 1;
  return;
}

function putFocus(formInst, elementInst) {
  if (document.forms.length > 0) {
   document.forms[formInst].elements[elementInst].focus();
  }
 }
function check_number(f) { // f is the form (passed using the this keyword)
ok = "1234567890";
	for(i=0; i < f.number.value.length ;i++){
		if(ok.indexOf(f.number.value.charAt(i))<0){ 
		alert('Not number!');
		return (false);
		}
	}
	return (true);
}


function Is ()
{   var agt=navigator.userAgent.toLowerCase();

    this.major = parseInt(navigator.appVersion);
    this.minor = parseFloat(navigator.appVersion);

    this.nav  = ((agt.indexOf('mozilla')!=-1) && ((agt.indexOf('spoofer')==-1)
                && (agt.indexOf('compatible') == -1)));
    this.nav2 = (this.nav && (this.major == 2));
    this.nav3 = (this.nav && (this.major == 3));

    this.ie     = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
    this.ie3    = (this.ie && (this.major < 4));
    this.ie4    = (this.ie && (this.major == 4) && (agt.indexOf("msie 4")!=-1) );
    this.ie4up  = (this.ie && (this.major >= 4));
    this.ie5    = (this.ie && (this.major == 4) && (agt.indexOf("msie 5.0")!=-1) );
    this.ie5_5  = (this.ie && (this.major == 4) && (agt.indexOf("msie 5.5") !=-1));
    this.ie5up  = (this.ie && !this.ie3 && !this.ie4);
    this.ie5_5up =(this.ie && !this.ie3 && !this.ie4 && !this.ie5);
    this.ie6    = (this.ie && (this.major == 4) && (agt.indexOf("msie 6.")!=-1) );
    this.ie6up  = (this.ie && !this.ie3 && !this.ie4 && !this.ie5 && !this.ie5_5);


    this.vms   = (agt.indexOf("vax")!=-1) || (agt.indexOf("openvms")!=-1);
}


function smutEngine(isn) {
smut="#@&*%!#@&*%!#@&*%!";

cmp="sex babes shit fuck damn porno cum cunt prick pecker ass "
+"asshole pedophile man-boy man/boy dong twat ";
for (i=0;i<=20;i++) {
if (i!=2 && i!=5 && i!=6 && i!=8  && i!=9 && i!=11 && i!=14 && i!=15 && i!=17 && i!=19) {
	txt=document.isn.elements[i].value;
	
	if (txt.length<1) {  }
	tstx="";
		for (var j=0;j<txt.length;j++){
		pos=cmp.indexOf(" ");
		wrd=cmp.substring(0,pos);
		wrdl=wrd.length;
		cmp=cmp.substring(pos+1,cmp.length);
		while (txt.indexOf(wrd)>-1){
		pos=txt.indexOf(wrd);
		txt=txt.substring(0,pos)+smut.substring(0,wrdl)
		+txt.substring((pos+wrdl),txt.length);
		   }
		}
		 
	document.isn.elements[i].value=txt; 
	
		 re = /\$|,|@|#|~|`|\%|\*|\^|\&|\(|\)|\+|\=|\[|\-|\_|\]|\[|\}|\{|\;|\:|\'|\"|\<|\>|\?|\||\\|\!|\$|\./g;
          // remove special characters like "$" and "," etc...
         txt1=txt.replace(re, "");
		 document.isn.elements[i].value=txt1;
		 if (txt1.length<1 || txt!=txt1) {  } else {
		 document.isn.elements[i].style.background="#fff";}
		 
}	else {

		if (i==9 || i==19) {
		
			if (!emailCheck (document.isn.elements[i].value)) {  } else {
		 document.isn.elements[i].style.background="#fff";}
			
		}
}	
}

some=document.getElementById('i_agree');
if (!some.checked) { alert('You have to agree with our terms. Please read our policy.'); }

}

function checkform(id) {

}

function emailCheck (emailStr) {
if (emailStr.length<1) { return false; }
/* 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]

// 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), 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;
}