function validate()
{
	var INVALID = 0;
	var errorString = '';

	var nameValid = 1;
	var add1Valid = 1;
	var add2Valid = 1;
	var add3Valid = 1;
	var add4Valid = 1;
	var pCodeValid = 1;
	var phoneValid = 1;
	var emailValid = 1;
	var commentsValid = 1;
	
	document.getElementById('name').style.borderColor = '#787878';
	document.getElementById('add1').style.borderColor = '#787878';
	document.getElementById('add2').style.borderColor = '#787878';
	document.getElementById('add3').style.borderColor = '#787878';
	document.getElementById('add4').style.borderColor = '#787878';
	document.getElementById('pCode').style.borderColor = '#787878';
	document.getElementById('phone').style.borderColor = '#787878';
	document.getElementById('email').style.borderColor = '#787878';
	document.getElementById('comments').style.borderColor = '#787878';
	
	if(document.getElementById('name').value==''){nameValid = INVALID;}
	if(document.getElementById('add1').value==''){add1Valid = INVALID;}
	if(document.getElementById('add2').value==''){add2Valid = INVALID;}
	if(document.getElementById('add3').value==''){add3Valid = INVALID;}
	if(document.getElementById('add4').value==''){add4Valid = INVALID;}
	if(document.getElementById('pCode').value==''){pCodeValid = INVALID;}
	if(document.getElementById('phone').value==''){phoneValid = INVALID;}
	if(document.getElementById('email').value=='' || !document.getElementById('email').value.match('@')){emailValid = INVALID;}
	if(document.getElementById('comments').value==''){commentsValid = INVALID;}
	
	if(nameValid == INVALID){errorString = errorString + '<p style="color:#FF0000;">Please enter your name.</p>';document.getElementById('name').style.borderColor = '#ff0000';}
	if(add1Valid == INVALID || add2Valid == INVALID || add3Valid == INVALID || add4Valid == INVALID){errorString = errorString + '<p style="color:#FF0000;">Please enter your address.</p>';document.getElementById('add1').style.borderColor = '#ff0000';document.getElementById('add2').style.borderColor = '#ff0000';document.getElementById('add3').style.borderColor = '#ff0000';document.getElementById('add4').style.borderColor = '#ff0000';}
	if(pCodeValid == INVALID){errorString = errorString + '<p style="color:#FF0000;">Please enter your postcode.</p>';document.getElementById('pCode').style.borderColor = '#ff0000';}
	if(phoneValid == INVALID){errorString = errorString + '<p style="color:#FF0000;">Please enter your phone number.</p>';document.getElementById('phone').style.borderColor = '#ff0000';}
	if(emailValid == INVALID){errorString = errorString + '<p style="color:#FF0000;">Please enter your email address.</p>';document.getElementById('email').style.borderColor = '#ff0000';}
	if(commentsValid == INVALID){errorString = errorString + '<p style="color:#FF0000;">Please enter your comments.</p>';document.getElementById('comments').style.borderColor = '#ff0000';}
	
	if(errorString.length > 0)
	{
		document.getElementById('validationFeedback').innerHTML = errorString;
		setPos();
		return false;
	}
		else
	{
		return true;
	}
}