if (document.all) {
	var displayType = 'block';
} else {
	var displayType = 'block';
}

function changeAbout() {
	v = document.getElementById('about').value;
	switch(v) {
		case "":
			document.getElementById('startBox').style.display = displayType;
			document.getElementById('nameBox').style.display = 'none';
			document.getElementById('presBox').style.display = 'none';
			document.getElementById('companyBox').style.display = 'none';
			document.getElementById('foodBox').style.display = 'none';
			document.getElementById('emailBox').style.display = 'none';
			document.getElementById('policyBox').style.display = 'none';
			document.getElementById('phoneBox').style.display = 'none';
			document.getElementById('tomatoBox').style.display = 'none';
			document.getElementById('address1Box').style.display = 'none';
			document.getElementById('address2Box').style.display = 'none';
			document.getElementById('cityBox').style.display = 'none';
			document.getElementById('regionBox').style.display = 'none';
			document.getElementById('postalBox').style.display = 'none';
			document.getElementById('countryBox').style.display = 'none';
			document.getElementById('messageBox').style.display = 'none';			
			document.getElementById('submitBox').style.display = 'none';			
		break;
		case "option_question":
			document.getElementById('startBox').style.display = 'none';
			document.getElementById('nameBox').style.display = displayType;
			document.getElementById('presBox').style.display = 'none';
			document.getElementById('companyBox').style.display = displayType;
			document.getElementById('foodBox').style.display = 'none';
			document.getElementById('emailBox').style.display = displayType;
			document.getElementById('policyBox').style.display = displayType;
			document.getElementById('phoneBox').style.display = 'none';
			document.getElementById('tomatoBox').style.display = 'none';
			document.getElementById('address1Box').style.display = 'none';
			document.getElementById('address2Box').style.display = 'none';
			document.getElementById('cityBox').style.display = 'none';
			document.getElementById('regionBox').style.display = 'none';
			document.getElementById('postalBox').style.display = 'none';
			document.getElementById('countryBox').style.display = 'none';
			document.getElementById('messageBox').style.display = displayType;			
			document.getElementById('submitBox').style.display = displayType;			
		break;		
		case "option_suggestion":
			document.getElementById('startBox').style.display = 'none';
			document.getElementById('nameBox').style.display = displayType;
			document.getElementById('presBox').style.display = 'none';
			document.getElementById('companyBox').style.display = 'none';
			document.getElementById('foodBox').style.display = 'none';
			document.getElementById('emailBox').style.display = displayType;
			document.getElementById('policyBox').style.display = displayType;
			document.getElementById('phoneBox').style.display = 'none';
			document.getElementById('tomatoBox').style.display = 'none';
			document.getElementById('address1Box').style.display = 'none';
			document.getElementById('address2Box').style.display = 'none'
			document.getElementById('cityBox').style.display = 'none';
			document.getElementById('regionBox').style.display = 'none';
			document.getElementById('postalBox').style.display = 'none';
			document.getElementById('countryBox').style.display = 'none';
			document.getElementById('messageBox').style.display = displayType;			
			document.getElementById('submitBox').style.display = displayType;			
		break;
		case "option_typo":
			document.getElementById('startBox').style.display = 'none';
			document.getElementById('nameBox').style.display = displayType;
			document.getElementById('presBox').style.display = 'none';
			document.getElementById('companyBox').style.display = displayType;
			document.getElementById('foodBox').style.display = displayType;
			document.getElementById('emailBox').style.display = displayType;
			document.getElementById('policyBox').style.display = displayType;
			document.getElementById('phoneBox').style.display = displayType;
			document.getElementById('tomatoBox').style.display = displayType;
			document.getElementById('address1Box').style.display = displayType;
			document.getElementById('address2Box').style.display = displayType
			document.getElementById('cityBox').style.display = displayType;
			document.getElementById('regionBox').style.display = displayType;
			document.getElementById('postalBox').style.display = displayType;
			document.getElementById('countryBox').style.display = displayType;
			document.getElementById('messageBox').style.display = displayType;			
			document.getElementById('submitBox').style.display = displayType;			
		break;
		case "option_story": 
			document.getElementById('startBox').style.display = 'none';
			document.getElementById('nameBox').style.display = displayType;
			document.getElementById('presBox').style.display = 'none';
			document.getElementById('companyBox').style.display = 'none';
			document.getElementById('foodBox').style.display = 'none';
			document.getElementById('emailBox').style.display = displayType;
			document.getElementById('policyBox').style.display = displayType;
			document.getElementById('phoneBox').style.display = 'none';
			document.getElementById('tomatoBox').style.display = 'none';
			document.getElementById('address1Box').style.display = 'none';
			document.getElementById('address2Box').style.display = 'none'
			document.getElementById('cityBox').style.display = 'none';
			document.getElementById('regionBox').style.display = 'none';
			document.getElementById('postalBox').style.display = 'none';
			document.getElementById('countryBox').style.display = 'none';
			document.getElementById('messageBox').style.display = displayType;			
			document.getElementById('submitBox').style.display = displayType;			
		break;
		case "option_food": 
			document.getElementById('startBox').style.display = 'none';
			document.getElementById('nameBox').style.display = displayType;
			document.getElementById('foodBox').style.display = displayType;
			document.getElementById('presBox').style.display = 'none';
			document.getElementById('companyBox').style.display = 'none';
			document.getElementById('emailBox').style.display = 'none';
			document.getElementById('policyBox').style.display = 'none';
			document.getElementById('phoneBox').style.display = 'none';
			document.getElementById('tomatoBox').style.display = 'none';
			document.getElementById('address1Box').style.display = 'none';
			document.getElementById('address2Box').style.display = 'none'
			document.getElementById('cityBox').style.display = 'none';
			document.getElementById('regionBox').style.display = 'none';
			document.getElementById('postalBox').style.display = 'none';
			document.getElementById('countryBox').style.display = 'none';
			document.getElementById('messageBox').style.display = 'none';			
			document.getElementById('submitBox').style.display = displayType;			
		break;
		case "option_teacher":
			document.getElementById('startBox').style.display = 'none';
			document.getElementById('nameBox').style.display = displayType;
			document.getElementById('presBox').style.display = 'none';
			document.getElementById('companyBox').style.display = displayType;
			document.getElementById('foodBox').style.display = 'none';
			document.getElementById('emailBox').style.display = displayType;
			document.getElementById('policyBox').style.display = displayType;
			document.getElementById('phoneBox').style.display = displayType;
			document.getElementById('tomatoBox').style.display = 'none';
			document.getElementById('address1Box').style.display = displayType;
			document.getElementById('address2Box').style.display = displayType;
			document.getElementById('cityBox').style.display = displayType;
			document.getElementById('regionBox').style.display = displayType;
			document.getElementById('postalBox').style.display = displayType;
			document.getElementById('countryBox').style.display = 'none';
			document.getElementById('messageBox').style.display = displayType;			
			document.getElementById('submitBox').style.display = displayType;			
		break;
		case "option_fishing":
			document.getElementById('startBox').style.display = 'none';
			document.getElementById('nameBox').style.display = 'none';
			document.getElementById('presBox').style.display = 'none';
			document.getElementById('companyBox').style.display = 'none';
			document.getElementById('foodBox').style.display = 'none';
			document.getElementById('emailBox').style.display = 'none';
			document.getElementById('policyBox').style.display = 'none';
			document.getElementById('phoneBox').style.display = 'none';
			document.getElementById('tomatoBox').style.display = 'none';
			document.getElementById('address1Box').style.display = 'none';
			document.getElementById('address2Box').style.display = 'none'
			document.getElementById('cityBox').style.display = 'none';
			document.getElementById('regionBox').style.display = 'none';
			document.getElementById('postalBox').style.display = 'none';
			document.getElementById('countryBox').style.display = 'none';
			document.getElementById('messageBox').style.display = displayType;			
			document.getElementById('submitBox').style.display = displayType;
		break;
		case "option_pres":
			document.getElementById('startBox').style.display = 'none';
			document.getElementById('nameBox').style.display = 'none';
			document.getElementById('presBox').style.display = displayType;
			document.getElementById('companyBox').style.display = 'none';
			document.getElementById('foodBox').style.display = 'none';
			document.getElementById('emailBox').style.display = 'none';
			document.getElementById('policyBox').style.display = 'none';
			document.getElementById('phoneBox').style.display = 'none';
			document.getElementById('tomatoBox').style.display = 'none';
			document.getElementById('address1Box').style.display = 'none';
			document.getElementById('address2Box').style.display = 'none';
			document.getElementById('cityBox').style.display = 'none';
			document.getElementById('regionBox').style.display = 'none';
			document.getElementById('postalBox').style.display = 'none';
			document.getElementById('countryBox').style.display = 'none';
			document.getElementById('messageBox').style.display = 'none';			
			document.getElementById('submitBox').style.display = displayType;			
		break;
		case "option_intern":
			document.getElementById('startBox').style.display = 'none';
			document.getElementById('nameBox').style.display = displayType;
			document.getElementById('companyBox').style.display = displayType;
			document.getElementById('foodBox').style.display = displayType;
			document.getElementById('emailBox').style.display = displayType;
			document.getElementById('policyBox').style.display = displayType;
			document.getElementById('phoneBox').style.display = displayType;
			document.getElementById('tomatoBox').style.display = displayType;
			document.getElementById('address1Box').style.display = displayType;
			document.getElementById('address2Box').style.display = displayType;
			document.getElementById('cityBox').style.display = displayType;
			document.getElementById('regionBox').style.display = displayType;
			document.getElementById('postalBox').style.display = displayType;
			document.getElementById('countryBox').style.display = displayType;
			document.getElementById('messageBox').style.display = displayType;			
			document.getElementById('submitBox').style.display = displayType;			
		break;
	}
}