function IsEmpty(value) {

if ( (value.length < 2 ) || (value == '') || (!(/\S/.test(value))) ) { return true ; } // true means it's empty !!!!
else { return false ; }

}

function hide(x) {
//---------------------------------
	toHide = document.getElementById(x);
	toHide.style.visibility = "hidden";
	toHide.style.display = "none";
}


function show(x) {
//---------------------------------
	toShow = document.getElementById(x);
	toShow.style.visibility = "visible";
	toShow.style.display = "";
}

function enable(x){
	var en
	en = document.getElementById(x);
	en.disabled = false;
}

function disable(x){
	var dis
	dis = document.getElementById(x);
	dis.disabled = true;
}

function selDefaultLink(){
	fullURL = parent.document.URL; 
	xxx = fullURL.substring(fullURL.indexOf('#'), fullURL.length);

	var url = xxx;
	if (url == '#Business')	{
		selDirSection('1');
		setCurrentLink('1');
	}
	else if (url == '#Person')	{
		selDirSection('2');
		setCurrentLink('2');
	}
	//else if (url == '#Govt')	{
	//	selDirSection('3');
	//	setCurrentLink('3');
	//}
	else{
		selDirSection('1');
		setCurrentLink('1');
	}
}

function selDirSection(value) {
	
	if (value == '1') {
		document.getElementById('type').innerHTML = 'What';
		document.getElementById('caption').innerHTML = 'Keywords, Category, Business Name';
		document.getElementById('pa2').value = 'Anguilla';
	}
	else if (value == '2') {
		document.getElementById('type').innerHTML = 'Who';
		document.getElementById('caption').innerHTML = 'Name of Person<br>(eg. John Smith)';
		document.getElementById('pa2').value = 'Anguilla/Residential';
	}
	//else if (value == '3') {
	//	document.getElementById('type').innerHTML = 'What';
	//	document.getElementById('caption').innerHTML = 'Institution Name';
	//	document.getElementById('pa2').value = 'Anguilla/Government';
	//}
	else {
		show('location');
	}
}

function validateSearch() {

	searchstr	= document.form.go.value ;
	searchstr	= searchstr.toLowerCase();


	if (IsEmpty(searchstr)) {
		alert('Please enter a valid search criteria.');
		document.form.go.focus();
		return false ;
	}
	else { 
		//var elem
		//if (document.form.s[0].checked == true)	{
		//	elem = document.form.s[0].value;
		//}
		//else {
		//	elem = document.form.s[1].value;
		//}
		//document.form.method = 'post';
		//document.form.action = 'http://s2.anguillayp.com/sys/pageserver.dll?go='+document.form.go.value+'&pa='+document.form.loc.value+'/'+document.form.bk.value+'&s='+elem;
		return true ; 
	}
}

function trim(str)
{
   return str.replace(/^\s+|\s+$/g,'');
}

function isEmail(str){

	var regex = /^[-_.a-z0-9]+@(([-_a-z0-9]+\.)+(ad|ae|aero|af|ag|ai|al|am|an|ao|aq|ar|arpa|as|at|au|aw|az|ba|bb|bd|be|bf|bg|bh|bi|biz|bj|bm|bn|bo|br|bs|bt|bv|bw|by|bz|ca|cc|cd|cf|cg|ch|ci|ck|cl|cm|cn|co|com|coop|cr|cs|cu|cv|cx|cy|cz|de|dj|dk|dm|do|dz|ec|edu|ee|eg|eh|er|es|et|eu|fi|fj|fk|fm|fo|fr|ga|gb|gd|ge|gf|gh|gi|gl|gm|gn|gov|gp|gq|gr|gs|gt|gu|gw|gy|hk|hm|hn|hr|ht|hu|id|ie|il|in|info|int|io|iq|ir|is|it|jm|jo|jp|ke|kg|kh|ki|km|kn|kp|kr|kw|ky|kz|la|lb|lc|li|lk|lr|ls|lt|lu|lv|ly|ma|mc|md|mg|mh|mil|mk|ml|mm|mn|mo|mp|mq|mr|ms|mt|mu|museum|mv|mw|mx|my|mz|na|name|nc|ne|net|nf|ng|ni|nl|no|np|nr|nt|nu|nz|om|org|pa|pe|pf|pg|ph|pk|pl|pm|pn|pr|pro|ps|pt|pw|py|qa|re|ro|ru|rw|sa|sb|sc|sd|se|sg|sh|si|sj|sk|sl|sm|sn|so|sr|st|su|sv|sy|sz|tc|td|tf|tg|th|tj|tk|tm|tn|to|tp|tr|tt|tv|tw|tz|ua|ug|uk|um|us|uy|uz|va|vc|ve|vg|vi|vn|vu|wf|ws|ye|yt|yu|za|zm|zw)|(([0-9][0-9]?|[0-1][0-9][0-9]|[2][0-4][0-9]|[2][5][0-5])\.){3}([0-9][0-9]?|[0-1][0-9][0-9]|[2][0-4][0-9]|[2][5][0-5]))$/i;
	return regex.test(str);

}


function checkForm()
{
   if(trim(document.Contact_Form.FirstName.value) == '')
   {
      alert('Please enter your First name');
      document.Contact_Form.FirstName.focus();
      return false;
   }
   else if(trim(document.Contact_Form.LastName.value) == '')
   {
      alert('Please enter your Last name');
      document.Contact_Form.LastName.focus();
      return false;
   }
   else if(trim(document.Contact_Form.Email.value) == '')
   {
      alert('Please enter your email');
      document.Contact_Form.Email.focus();
      return false;
   }
   else if(!isEmail(trim(document.Contact_Form.Email.value)))
   {
      alert('Email address is not valid');
      document.Contact_Form.Email.focus();
      return false;
   }
   else if(trim(document.Contact_Form.Comments.value) == '')
   {
      alert('Please enter your comments');
      document.Contact_Form.Comments.focus();
      return false;
   }
   else
   {
      return true;
   }
}