function validate_required(field,alerttxt)
{
	with (field)
	{
		if (value==null||value=="")
		  {alert(alerttxt);return false;}
		else {return true;}
	}
}

function validate_form(thisform)
{
	with (thisform)
	{
		if (validate_required(name,"Name must be filled in")==false)
		  {name.focus();document.getElementById('name').style.backgroundColor = '#FF9F9F';return false;}
		  else {document.getElementById('name').style.backgroundColor = '#ffffff';}
		if (validate_required(email,"Email must be filled out")==false)
		  {email.focus();document.getElementById('email').style.backgroundColor = '#FF9F9F';return false;}
		  else {document.getElementById('email').style.backgroundColor = '#ffffff';}
		if (validate_required(phone,"Phone must be filled out")==false)
		  {phone.focus();document.getElementById('phone').style.backgroundColor = '#FF9F9F';return false;}
		  else {document.getElementById('phone').style.backgroundColor = '#ffffff';}
		if (validate_required(country,"Country must be filled out")==false)
		  {country.focus();document.getElementById('country').style.backgroundColor = '#FF9F9F';return false;}
		  else {document.getElementById('country').style.backgroundColor = '#ffffff';}
	}
}



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

function validateEmail(fld) {
    var error="";
    var tfld = trim(fld.value);                        // value of field with whitespace trimmed off
    var emailFilter = /^[^@]+@[^@.]+\.[^@]*\w\w$/ ;
    var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]]/ ;
   
    if (fld.value == "") {
        fld.style.background = 'Yellow';
        error = "You didn't enter an email address.\n";
    } else if (!emailFilter.test(tfld)) {              //test email for illegal characters
        fld.style.background = 'Yellow';
        error = "Please enter a valid email address.\n";
    } else if (fld.value.match(illegalChars)) {
        fld.style.background = 'Yellow';
        error = "The email address contains illegal characters.\n";
    } else {
        fld.style.background = 'White';
    }
    return error;
}

function selected(sel){
	document.getElementById('jan').src='images/schools-header_01.gif';
	document.getElementById('apr').src='images/schools-header_02.gif';
	document.getElementById('jul').src='images/schools-header_03.gif';
	document.getElementById('oct').src='images/schools-header_04.gif';
	
	switch (sel)
	{
		case 'jan':
			document.getElementById('jan').src='images/schools-header-selected_01.gif';
		break;
		
		case 'apr':
			document.getElementById('apr').src='images/schools-header-selected_02.gif';
		break;
		
		case 'jul':
			document.getElementById('jul').src='images/schools-header-selected_03.gif';
		break;
		
		case 'oct':
			document.getElementById('oct').src='images/schools-header-selected_04.gif';
		break;
		
		default:
			document.getElementById('jan').src='images/schools-header-selected_01.gif';
	}
}