function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}

function changeButton(id){
	document.getElementById(id).style.background = "url('/images/nav_underline.gif') no-repeat bottom center";
}

function changeBackButton(id){
	document.getElementById(id).style.background = "none";
}

function changeleftnavButton(id){
	document.getElementById(id).style.background = "#294C77";

}

function changeBackleftnavButton(id){
	document.getElementById(id).style.border = '1px solid #F5F5F5'
	document.getElementById(id).style.borderBottom = '1px dotted #CCCCCC'
	document.getElementById(id).style.background = "none";	
}
var ns4 = ( document.layers ) ? true : false
var ie4 = ( document.all ) ? true : false


function getElement( id )
{
	if ( ns4 ) {
		return document.layers[id].document;
	} else {
		return document.getElementById(id);
	}
}

function openclose( id ){
	if( getElement( id ).style.display == 'none' ){
		getElement( 'img_'+id ).src = '/images/minus.gif';
		getElement( id ).style.display = '';
	} else {
		getElement( 'img_'+id ).src = '/images/plus.gif';
		getElement( id ).style.display = 'none';
	}
}

function dsp(loc){
   if(document.getElementById){
      var foc=loc.firstChild;
      foc=loc.firstChild.innerHTML?
         loc.firstChild:
         loc.firstChild.nextSibling;
      foc.innerHTML=foc.innerHTML=='+'?'-':'+';
      foc=loc.parentNode.nextSibling.style?
         loc.parentNode.nextSibling:
         loc.parentNode.nextSibling.nextSibling;
      foc.style.display=foc.style.display=='block'?'none':'block';}}


if(!document.getElementById)
	document.write('<style type="text/css"><!--\n'+
		'.dspcont{display:block;}\n'+
		'//--></style>');

function isEmail( EMAIL ) { 
	//var TXT_MAIL = EMAIL.value;
	//var EMAIL_RETURN = false; 
	//var EMAIL_regex = /[\w-]{1,}\@[\w-]{1,}\.[a-zA-Z]{2,}/;

	if(!isEmail2(EMAIL)) {
		return false;
	} else{
		return true;
	}
}

function isEmail2(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;
}


function form_validator( tForm ) {

	var fname         = tForm.fname.value;
	var lname         = tForm.lname.value;
	var title 	      = tForm.title.value;
	var company       = tForm.company.value;
	var website       = tForm.website.value;
	var phone 		  = tForm.phone.value;
	var email 		  = tForm.email.value;
	var topics 		  = tForm.topics.value;
	var date_to_call  = tForm.date_to_call.value;
	var time_to_call  = tForm.time_to_call.value;
	
	
	var msg = "";
	var Test_char   = /[^a-zA-Z ]/;
	var Test_number = /[^0-9]/;
	var Test_busines = /[^a-zA-Z0-9 ]/;
	
	if( fname.length < 2 ){
		msg += "Your first name must be at least 2 characters long. Please re-enter your first name.\n"
		alert(msg); 
		return false;
	}
	
	if( lname.length < 2 ){
		msg += "Your last name must be at least 2 characters long. Please re-enter your last name.\n"
		alert(msg); 
		return false;
	}
	
	if( title.length < 2 ){
		msg += "Please enter your business title.\n"
		alert(msg); 
		return false;
	}
	
	if( company <= 0 ){
		msg += "Please enter your company name.\n"
		alert(msg); 
		return false;
	}

	if( website <= 0 ){
		msg += "Please enter your company's website.\n"
		alert(msg); 
		return false;
	}
	
	if( phone.length < 2 ){
		msg += "Please enter a valid phone number.\n"
		alert(msg); 
		return false;
	}
	
	if( ! isEmail( email ) ){
		msg += "Please enter a valid email address.\n"
		alert(msg); 
		return false;
	}
	if( topics.length <= 0 ){
		msg += "Please enter your topic of conversation.\n"
		alert(msg); 
		return false;
	}
	if( date_to_call.length <= 0 ){
		msg += "Please choose a date for your call.\n"
		alert(msg); 
		return false;
	}
	if( time_to_call.length <= 0 ){
		msg += "Please choose a time of day for your call.\n"
		alert(msg); 
		return false;
	}
		
	return true; 
}