// forms.js
// form functions for rachelsloanepartnerships
// dms/09.03.2007


function StripSpacesFromEnds(s)
{
	// developed by willmaster.com
	while((s.indexOf(' ',0) == 0) && (s.length > 1))
	{
		s = s.substring(1,s.length);
	}
	while((s.lastIndexOf(' ') == (s.length - 1) && (s.length > 1)))
	{
		s = s.substring(0,(s.length - 1));
	}
	if((s.indexOf(' ',0) == 0) && (s.length == 1)) s = '';
	return s;

function IsItPresent(s,explanation)
{
	// developed by willmaster.com
	s = StripSpacesFromEnds(s);
	if(s.length) return s;
	alert('Please enter ' + explanation + '.');
	return '';
}

function CheckEmail(s_email)
{
	// developed by willmaster.com
	s_email = IsItPresent(s_email,'your email address');
	if(! s_email) return false;
	var i = s_email.indexOf(' ',0);
	while(i > -1)
	{
		s_email = s_email.substring(0,i) + 
			s_email.substring((i + 1),s_email.length);
		i = s_email.indexOf(' ',0);
	}
	document.dForm.email.value = s_email;
	if((s_email.length < 6) ||
	   (s_email.indexOf('@',0) < 1) ||
	   (s_email.lastIndexOf('@') != s_email.indexOf('@',0)) ||
	   (s_email.lastIndexOf('@') > (s_email.length - 5)) ||
	   (s_email.lastIndexOf('.') > (s_email.length - 3)) ||
	   (s_email.lastIndexOf('.') < (s_email.length - 4)) ||
	   (s_email.indexOf('..',0) > -1) ||
	   (s_email.indexOf('@.',0) > -1) ||
	   (s_email.indexOf('.@',0) > -1) ||
	   (s_email.indexOf(',',0) > -1))
	{
		alert('The email address "' + s_email + '" is not valid.');
		return false;
	}
	return true;
}