function isValidEmail(str) {
	if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(str)){
		return true;
	}
	else {
		return false;
	}
}

function clearText(field){
    if (field.defaultValue == field.value) field.value = '';
    else if (field.value == '') field.value = field.defaultValue;
}

function checkenquiry(){
	var ftxt = '';

	if (document.emailform.Name.value=='your name'){
		ftxt += '\n- Please enter your Name.';
	}
	
	if (document.emailform.Address.value=='your address line 1'){
		ftxt += '\n- Please enter your Address Line One.';
	}
		
	if (document.emailform.Town.value=='your town/city'){
		ftxt += '\n- Please enter your Town.';
	}
	
	if (document.emailform.County.value=='your county'){
		ftxt += '\n- Please enter your County.';
	}
	
	if (document.emailform.PostCode.value=='your post code'){
		ftxt += '\n- Please enter your Post Code.';
	}
	
	if (isValidEmail(document.emailform.Email.value)==false){
		ftxt += '\n- Please enter your Email Address.';
	}
	
	if (document.emailform.TelNumber.value=='your telephone number'){
		ftxt += '\n- Please enter your Telephone Number.';
	}
	
	if (ftxt!==''){
		alert('One or more errors were found while submitting this form. The errors found are displayed below.\n' + ftxt + '\n\nPlease correct the above errors and try again.');
		return false;
	}
	else {
		return true;
	}
}