/**
 * DHTML email validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */

function echeck(str) {
	var at="@";
	var dot=".";
	var lat=str.indexOf(at);
	var lstr=str.length;
	var ldot=str.indexOf(dot);
	if (str.indexOf(at)==-1)
	   return false;

	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr)
	   return false;

	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr)
		return false;

	 if (str.indexOf(at,(lat+1))!=-1)
		return false;

	 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot)
		return false;

	 if (str.indexOf(dot,(lat+2))==-1)
		return false;
	
	 if (str.indexOf(" ")!=-1)
		return false;

	 return true;
}

function validateContactForm ()
{
	var validation = '';
	if (document.getElementById('gsg_name').value == '')
		validation+= '* You must specify your name\n';
	if (document.getElementById('gsg_tel').value == '')
		validation+= '* You must specify your telephone number\n';
	if (document.getElementById('gsg_mobile').value == '')
		validation+= '* You must specify your mobile\n';
	if (document.getElementById('gsg_email').value == '')
		validation+= '* You must specify your email address\n';
	else if (!echeck(document.getElementById('gsg_email').value))
		validation+= '* You must specify a valid email address\n';
	if (document.getElementById('gsg_country').value == '')
		validation+= '* You must specify your country\n';
	if (document.getElementById('gsg_consent').checked != true)
		validation+= '* You must consent to receive email\n';
	
	if (validation == '')
	{
		return true;
	}
	else
	{
		alert (validation)
		return false;
	}
}

function validateSeminarForm()
{
	var validation = '';
	if(document.getElementById('gsg_capetown').checked != 1 && document.getElementById('gsg_capetown_individual').checked != 1 && document.getElementById('gsg_pretoria').checked != 1 && document.getElementById('gsg_pretoria_individual').checked != 1 && document.getElementById('gsg_johannesburg').checked != 1 && document.getElementById('gsg_johannesburg_individual').checked != 1 && document.getElementById('gsg_durban').checked != 1) {
		validation+= '* You must register for at least one seminar\n';
	}
	if (document.getElementById('gsg_first_name').value == '')
		validation+= '* You must specify your first name\n';
	if (document.getElementById('gsg_last_name').value == '')
		validation+= '* You must specify your last name\n';
	if (document.getElementById('gsg_email').value == '')
		validation+= '* You must specify your email address\n';
	if (document.getElementById('gsg_cell').value == '')
		validation+= '* You must specify your cell phone number\n';
	if (document.getElementById('gsg_num_attendees').value == '')
		validation+= '* You must specify the number of attendees\n';
	if (document.getElementById('gsg_hear_about_us').value == '')
		validation+= '* You must specify how you heard about us\n';
	if (document.getElementById('gsg_consent').checked != 1)
		validation+= '* You must consent to receive emails from Greenstone Global and Greenstone Recruitment';
	
	if (validation == '')
	{
		return true;
	}
	else
	{
		alert (validation)
		return false;
	}
}