var iCurrentScreen = 0;

function showNext( )
{	
	iCurrentScreen++;
	
	switch ( iCurrentScreen )
	{
		case 0: 
			// Student Information Screen
			var elNumber = document.getElementById("stepNumber");
			elNumber.innerHTML = "1";
			var elTitle = document.getElementById("stepTitle");
			elTitle.innerHTML = "Student Identification";
			var elDisplayDiv = document.getElementById("studentInformation");
			elDisplayDiv.style.display="block";
			elDisplayDiv = document.getElementById("parentInformation");
			elDisplayDiv.style.display="none"; 
			break;
			
		case 1: 
			// Parent Identification Screen
			var elNumber = document.getElementById("stepNumber");
			elNumber.innerHTML = "2";
			var elTitle = document.getElementById("stepTitle");
			elTitle.innerHTML = "Parent/Guardian Information";
			var elDisplayDiv = document.getElementById("studentInformation");
			elDisplayDiv.style.display="none";
			elDisplayDiv = document.getElementById("parentInformation");
			elDisplayDiv.style.display="block"; 
			elDisplayDiv = document.getElementById("parentContactInformation");
			elDisplayDiv.style.display="none";
			break;
		case 2: 
			// Parent Contact Info Screen
			var elNumber = document.getElementById("stepNumber");
			elNumber.innerHTML = "3";
			var elTitle = document.getElementById("stepTitle");
			elTitle.innerHTML = "Parent/Guardian Contact";
			var elDisplayDiv = document.getElementById("parentInformation");
			elDisplayDiv.style.display="none";
			elDisplayDiv = document.getElementById("parentContactInformation");
			elDisplayDiv.style.display="block"; 
			elDisplayDiv = document.getElementById("referralInformation");
			elDisplayDiv.style.display = "none";
			break;
		case 3: 
			// Referral Information
			var elNumber = document.getElementById("stepNumber");
			elNumber.innerHTML = "4";
			var elTitle = document.getElementById("stepTitle");
			elTitle.innerHTML = "Referral Information";
			var elDisplayDiv = document.getElementById("parentContactInformation");
			elDisplayDiv.style.display="none";
			elDisplayDiv = document.getElementById("referralInformation");
			elDisplayDiv.style.display="block"; 
			elDisplayDiv = document.getElementById("paymentInformation");
			elDisplayDiv.style.display="none";
			break;

		case 4:
			// Payment information
			var elNumber = document.getElementById("stepNumber");
			elNumber.innerHTML = "5";
			var elTitle = document.getElementById("stepTitle");
			elTitle.innerHTML = "Payment Information";
			var elDisplayDiv = document.getElementById("referralInformation");
			elDisplayDiv.style.display="none";
			elDisplayDiv = document.getElementById("paymentInformation");
			elDisplayDiv.style.display="block"; 
			break;

		default: break;	
	}	

	var elNextLink = document.getElementById("nextLink");

	if ( iCurrentScreen >= 4 ) 
	{ 
		iCurrentScreen = 4; 
		elNextLink.style.display = 'none';
	}
	else
	{
		elNextLink.style.display = 'inline';
	}
	
	var elPrevLink = document.getElementById("prevLink");
	if ( iCurrentScreen <= 0 )
	{
		elPrevLink.style.display = 'none';
		iCurrentScreen = 0;
	}
	else
	{
		elPrevLink.style.display = 'inline';	
	}
}

function showPrevious (  )
{
	iCurrentScreen = iCurrentScreen - 2;
	showNext();
}



function finalizeForm()
{
	// Possibly do error checking here?
	document.sessionForm.submit();
}

function safeBack()
{
	leave = window.confirm ( "Are you sure?");
	if  (!leave )
	{
		return false;
	}
}