function clearDefault(el) {
  if (el.defaultValue==el.value) el.value = ""
}

// when tour adult dropdown changes  
function onadultchanged(strAdultQty, strChildQty) {
  objAdultQty = MM_findObj(strAdultQty);
  objChildQty = MM_findObj(strChildQty);
  // can we enable the child dropdown?
  if (objAdultQty.value >= 1) {
    objChildQty.disabled = false;
  }
  else {
    objChildQty.disabled = true;
  }
}

// tour calendar support
  
// ****************************************************************************
// storeDate
// ****************************************************************************
function storeDate(arrDate, nPos, strDate) {
  var date = new Date();

  // store date      
  arrDate[nPos] = '';
  if (strDate != '') {    
    date.setYear(strDate.substring(6, 10));
    date.setMonth((strDate.substring(3, 5))-1);
    date.setDate(strDate.substring(0, 2));
    date.setHours(0, 0, 0, 0);        
    arrDate[nPos] = date;
  }
}

// ****************************************************************************
// fAfterSelected
// ****************************************************************************
function fAfterSelected(y,m,d,e) {
  var date = new Date();
  date.setYear(y);
  date.setMonth(m-1);
  date.setDate(d);
  date.setHours(0, 0, 0, 0);

  var str = "";
  var startDate, endDate
  // default price is first price
  var nPrice = arrDates[0][0];
  var nPriceExtra = arrDates[0][1];
  for (var n=0; n < arrDates.length; n++) {
    startDate = arrDates[n][2];
    endDate = arrDates[n][3];
    // see if price is in range
    if (date >= startDate && date <= endDate) {
      nPrice = arrDates[n][0];
      nPriceExtra = arrDates[n][1];
    }
  }

  // now see if we need to override the prices  
  for (var n=0; n < arrDatesOverride.length; n++) {
    dateoverride = arrDatesOverride[n][2];

    if (String(date) == String(dateoverride)) {
      nPrice = arrDatesOverride[n][0];
      nPriceExtra = arrDatesOverride[n][1];
    }
  }
  
  var strDay = d;
  if (d < 10) {
    strDay = "0" + strDay;
  }
  var strMonth = m;
  if (m < 10) {
    strMonth = "0" + strMonth;
  }
  var strDate = strDay + "/" + strMonth + "/" + y;
  document.getElementById("tourpricesummary").innerHTML = "<strong>Adult:</strong> <span class='consolePrice'>$" + nPrice + "</span> | <strong>Child $" + nPriceExtra + "</strong><input type='hidden' name='tourprice' value='" + nPrice + "'/><input type='hidden' name='tourpriceextra' value='" + nPriceExtra + "'/><input type='hidden' name='tourdate' value='" + strDate + "'/>";  
}

function MM_preloadImages() 
{ //v3.0
  var d = document; 
  
  if (d.images)
  { 
  	if (!d.MM_p) 
  		d.MM_p = new Array();
  		
    var i, j = d.MM_p.length, a = MM_preloadImages.arguments; 
  
    for(i = 0; i < a.length; i++)
    	if (a[i].indexOf("#") != 0)
    	{ 
    		d.MM_p[j] = new Image; 
    		d.MM_p[j++].src = a[i];
    	}
    }
}

function MM_swapImgRestore() 
{ //v3.0
	var i, x, a = document.MM_sr; 
	
	for (i = 0; a && i < a.length && (x = a[i]) && x.oSrc; i++) 
	{
		if (x.hold != 1)
			x.src = x.oSrc;
	}
}

function MM_findObj(n, d) 
{ //v4.0
	var p, i, x;  

	if (!d) 
		d = document; 
		
	if ((p = n.indexOf("?")) > 0 && parent.frames.length) 
	{
		d = parent.frames[n.substring (p + 1)].document; 
    	n = n.substring (0,p);
    }
    
	if (!(x = d[n]) && d.all) 
		x = d.all[n]; 
	
	for (i = 0; !x && i < d.forms.length; i++) 
		x = d.forms[i][n];
		
	for(i = 0; !x && d.layers && i < d.layers.length; i++) 
		x = MM_findObj (n, d.layers[i].document);
		
	if (!x && document.getElementById) 
		x = document.getElementById (n); 
		
	return x;
}

function MM_swapImage() 
{
	var i, j = 0, x, a = MM_swapImage.arguments; 
	
	document.MM_sr = new Array; 
	
	for (i = 0; i < (a.length - 2); i += 3)
	{
		if ((x = MM_findObj (a[i])) != null)
		{
			document.MM_sr[j++] = x; 
		
			if (x.hold != 1)
			{
				if (!x.oSrc) 
					x.oSrc = x.src;
			 
				x.src = a[i + 2];
			}
		}
	}
}

function MM_holdImage()
{  //v0.1
	var i, j = 0, x, a = MM_holdImage.arguments; 
	
	MM_swapImgRestore();
	MM_holdImgRestore();
	
	document.MM_sr = new Array; 
	
	for (i = 0; i < (a.length - 2); i += 3)
	{
		if ((x = MM_findObj (a[i])) != null)
		{
			document.MM_sr[j++] = x; 
		
			if (!x.oSrc) 
				x.oSrc = x.src;
			 
			x.src = a[i + 2];
			x.hold = 1;
		}
	}
}

function MM_holdImgRestore() 
{ //v0.1
	var i, x, a = document.MM_sr; 
	
	for (i = 0; a && i < a.length && (x = a[i]) && x.oSrc; i++) 
	{
		x.src = x.oSrc;
		x.hold = 0
	}
}