function valNewGallery() {

	var check = true;
	var nArt = document.getElementById('title');
	var nThumb = document.getElementById('thumb');
	var nDesc = document.getElementById('description');
	var nArtMsg = '';
	var nThumbMsg = '';
	var nDescMsg = '';
	
	if(checkBlank(nArt)) {											// check if title field is blank

		nArtMsg = ' - Enter Title';
		check = false;
	}
	
	if(checkBlank(nThumb)) {											// check if file field is blank

		nThumbMsg = ' - Select File';
		check = false;
	}
	
	if(checkBlank(nDesc)) {										// check if content field is blank

		nDescMsg = ' - Enter Description';
		check = false;
	}
	
	document.getElementById('titleMsg').innerHTML = nArtMsg;
	document.getElementById('thumbMsg').innerHTML = nThumbMsg;
	document.getElementById('descMsg').innerHTML = nDescMsg;
	
	return check;													// return result

}

function valNewArt() {

	var check = true;
	var nArt = document.getElementById('title');
	var nContent = document.getElementById('content');
	var nArtMsg = '';
	var nContentMsg = '';
	
	if(checkBlank(nArt)) {											// check if title field is blank

		nArtMsg = ' - Enter Title';
		check = false;
	}
	
	if(checkBlank(nContent)) {										// check if content field is blank

		nContentMsg = ' - Enter Content';
		check = false;
	}
	
	document.getElementById('titleMsg').innerHTML = nArtMsg;
	document.getElementById('contentMsg').innerHTML = nContentMsg;
	
	return check;													// return result
}

function valNewCat() {												// validate new category form (entry.php)

	var check = true;
	var nCat = document.getElementById('cat_name');
	var nCatMsg = '';
	
	if(checkBlank(nCat)) {											// check if category field is blank

		nCatMsg = ' - Enter Category Name';
		check = false;
	}
	
	document.getElementById('cat_nameMsg').innerHTML = nCatMsg;
	
	return check;													// return result
}

function valLogin() {												// validate login form (login.php)

	var check = true;
	var uName = document.getElementById('username');
	var pWord = document.getElementById('password');
	var uNameMsg = '';
	var pWordMsg = '';

	if(checkBlank(uName)) {											// check if username field is blank

		uNameMsg = ' - Enter Username';
		check = false;
	}
	
	if(checkBlank(pWord)) {											// check if password field is blank

		pWordMsg = ' - Enter Password';
		check = false;
	}
	
	document.getElementById('uMess').innerHTML = uNameMsg;
	document.getElementById('pMess').innerHTML = pWordMsg;
	
	return check;													// return result

}

function checkBlank(f) { 											// give it a value, returns true if null.

	if(f.value == null || f.value.length == 0) {
	
		return true;
	}
	
	else return false;

}

function confBox() {												// standard ok/cancel confirm box (for delete, etc)

	var resp = confirm('Please confirm action');
 
	if (resp == true) {
	
		return true;
	}
	
	else return false;
}