function ValidateData() {


//Submission variable
var CanSubmit = false;

//Check to make sure that the worksheet title field is not empty.
CanSubmit = ForceEntry("WorksheetTitle", "Please enter a title for the worksheet.");
if (!CanSubmit) return;


//Check there is something entered into the instructions
CanSubmit = ForceEntry("WordList", "Please enter words into the word list.");
if (!CanSubmit) return;
	
//Check the length of the word list - if this exceeds 200 characters,
//POST the information rather tha using GET

	//Grab the word list text
	var wordList = document.getElementById("WordList").value;
	var instructions = document.getElementById("Instructions").value;
	//If it is longer than 200 characters
	if (wordList.length + instructions.length > 200)
	{
		document.LayoutSpellingPractice.method = "post";		
		document.LayoutSpellingPractice.VarsPosted.value = "true";
	}

// check a cell value has been entered
CanSubmit = ForceNumber("Cells", "Number of practice lines");
if (!CanSubmit) return;

//If fields have been entered correctly, submit the form
document.LayoutSpellingPractice.submit();

} //end function