var 
		siteWidth = 741,
		firstDay  = wdMonday;
//=================================================================================================
function doTab( which )
{
	which = parseInt( which );
	
	var 
		lastTab = 0;
	
	for ( var i = 0; i < 4; i++ )
	{
		if ( document.getElementById("divTabblad" + (i + 1) ).style.display == "")
			lastTab = i + 1;
	}
	
	var
		action       = document.getElementsByName("frmSnelZoeken")[0].elements["action"], 
		tab          = document.getElementById("aTab" + which ), 
		tabblad      = document.getElementById("divTabblad" + which ), 
		priorTab     = document.getElementById("aTab" + lastTab ), 
		priorTabblad = document.getElementById("divTabblad" + lastTab );
	
	if ( priorTab ) 
	{
		switch ( which ) 
		{
			case 1:
				priorTab.className = "tabLinkLeft";
				break;
			case 4:
				priorTab.className = "tabLinkRight";
				break;
			default:
				priorTab.className = "tabLinkMiddle";
		}
	}
	
	if ( priorTabblad )
		priorTabblad.style.display = "none";
	
	if ( tab ) 
	{
		switch ( which ) 
		{
			case 1:
				tab.className = "tabLinkLeftSel";
				break;
			case 4:
				tab.className = "tabLinkRightSel";
				break;
			default:
				tab.className = "tabLinkMiddleSel";
		}
	}
	
	action.value = which;
	
	if ( tabblad )
		tabblad.style.display = "";
	
//	document.cookie = "tab=" + parseInt( which );
	setCookie("tab", parseInt( which ) );
}
//=================================================================================================
function changeCMB( sender )
{
	var
		cmb = document.getElementsByName("frmSnelZoeken")[0].elements["cmbAantal1"];
	
	if ( cmb )
	{
		if ( sender.id == "rBtnP1")
		{
			if ( parseInt( cmb.options[0].value ) != minDag || parseInt( cmb.options[cmb.options.length - 1].value ) != maxDag  )
			{
				cmb.options.length = 0;
				
				for ( var i = minDag; i < maxDag + 1; i++ )
				{
					cmb.options.length++;
					cmb.options[cmb.options.length - 1].value    = i;
					cmb.options[cmb.options.length - 1].text = i;
				}
				
				cmb.options[0].selected = true;
			}
		}
		else
		{
			if ( parseInt( cmb.options[0].value ) != minWeek || parseInt( cmb.options[cmb.options.length - 1].value ) != maxWeek  )
			{
				cmb.options.length = 0;
				
				for ( var i = minWeek; i < maxWeek + 1; i++ )
				{
					cmb.options.length++;
					cmb.options[cmb.options.length - 1].value    = i;
					cmb.options[cmb.options.length - 1].text = i;
				}
				
				cmb.options[0].selected = true;
			}
		}
	}
}
//=================================================================================================
function frmSnelZoekenSubmit( sender )
{	
	var
		tab = 0;
	
	for ( var i = 0; i < 4; i++ )
	{
		if ( document.getElementById("divTabblad" + (i + 1) ).style.display == "")
			tab = i + 1;
	}
	
	switch ( tab )
	{
		case 4:
			var
				cmbSailship  = document.getElementById("cmbSailship"), 
				cmbMotorship = document.getElementById("cmbMotorship");
			
			if ( cmbSailship.value == "" && cmbMotorship.value == "")
			{	
				if ( language == "NL")
					alert("U heeft nog geen schip geselecteerd.")
				else if ( language == "UK")
					alert("You did not select a ship yet.")
				else if ( language == "DE")
					alert("Sie haben noch keiner Schiff gewählt.")
				
				cmbSailship.focus();
				return false;
			}
			break;
	}
	
	return true;
}
//=================================================================================================
function toggleHead( sender )
{
	var
		nr   = String( sender.id ).split("_")[1], 
		img1 = sender.childNodes[0], 
		img2 = sender.childNodes[1], 
		head = document.getElementById("tbHead_" + nr ), 
		spcr = document.getElementById("tbSpacer_" + nr );
	
	toggleDisplay( img1 );
	toggleDisplay( img2 );
	toggleDisplay( head );
	toggleDisplay( spcr );
}
//=================================================================================================
function frmInfoSubmit( sender )
{
	var
		edtNaam        = document.getElementById("edtNaam"), 
		edtTelefoon    = document.getElementById("edtTelefoon"), 
		edtEMail       = document.getElementById("edtEMail");
	
	if ( edtNaam.value == "")
	{
		if ( language == "NL")
			alert("U heeft uw naam nog niet ingevuld.");
		else if ( language == "UK")
			alert("You did not fill out your name.");
		else if ( language == "DE")
			alert("Sie haben ihre Name noch nicht ausgefüllt.");
		
		edtNaam.focus();
		
		return false;
	}
	else if ( edtTelefoon.value == "" && edtEMail.value == "")
	{
		if ( language == "NL")
			alert("U heeft uw telefoonnummer of e-mail adres nog niet ingevuld.");
		else if ( language == "UK")
			alert("You did not fill out your telephonenummber or e-mail address.");
		else if ( language == "DE")
			alert("Sie haben ihre Telephonnummer oder E-mail Addresse noch nicht ausgefüllt.");
		
		edtTelefoon.focus();
		
		return false;
	}
	
	return true;
}
//=================================================================================================