// utility function
function getElementsByClassName(c) {
   var ret = new Array();
   var j = 0;
   var objs = document.all ? document.all : document.getElementsByTagName("*");
   for(i = 0;i<objs.length;i++){
     if(objs[i].className == c){
       ret[j] = objs[i];
       j++;
     } // if
   } // for
   return ret;
 }

function jumpTo(loc){
	var myHilites = getElementsByClassName('hilite');
	if(myHilites.length > 0){
		for(var i = 0; i < myHilites.length; i++){
			if(myHilites[i].id.indexOf('Head')>=0){
				myHilites[i].className = '';
			}
		}
	}
	if(document.getElementById && loc.lastIndexOf('#') >= 0){
		var o = document.getElementById(loc.substr(loc.lastIndexOf('#')+1)+'Head');
		o.className = 'hilite';
	}
}

// function to remove annoying IE dots
function removedots() { 
	for (a in document.links) {
		document.links[a].onfocus = document.links[a].blur;
	}
}
if (document.all) { 
	document.onmousedown = removedots;
}

var myImg1 = new Image();
myImg1.src = 'images/nav_yacht_on.gif';
var myImg2 = new Image();
myImg2.src = 'images/nav_about_on.gif';
var myImg3 = new Image();
myImg3.src = 'images/nav_tours_on.gif';
var myImg4 = new Image();
myImg4.src = 'images/nav_testimonials_on.gif';
var myImg5 = new Image();
myImg5.src = 'images/nav_contact_on.gif';
var myImg6 = new Image();
myImg6.src = 'images/nav_gallery_on.gif';

// function for highlighting callouts
STATES = new Array();
	STATES[0] = "transparent";
	STATES[1] = "#efefef";	
	
	flag = true;
	
	function shadeMe(obj){
		obj.style.backgroundColor = STATES[Number(flag)];
		flag = !flag;
	}

	function goGetIt(myId){
		if(document.getElementById){
			window.location = document.getElementById(myId).href;
		}
		return false;
	}
	function goGetPopup(myId){
		if(document.getElementById){
			openCenteredOnOpenerWindow(document.getElementById(myId).href, 'window2', 430, 400, '', true, '', 'opener');
		}
		return false;
	}

// Window opener functions  v1.0.6
// documentation: http://www.dithered.com/javascript/window/index.html
// license: http://creativecommons.org/licenses/by/1.0/
// code by Chris Nott (chris[at]dithered[dot]com)


/*******************************************************************************
	Popup Window openers
*******************************************************************************/

var winReference = null;


// Open a window at a given position on the screen
function openPositionedWindow(url, name, width, height, x, y, status, scrollbars, moreProperties, openerName) {
	
	// ie 4.5 and 5.0 mac - windows are 2 pixels too short; if a statusbar is used, the window will be an additional 15 pixels short
	var agent = navigator.userAgent.toLowerCase();
	if (agent.indexOf("mac") != -1 && agent.indexOf("msie") != -1 && (agent.indexOf("msie 4") != -1 || agent.indexOf("msie 5.0") != -1) ) {
		height += (status) ? 17 : 2;
	}

	// Adjust width if scrollbars are used (pc places scrollbars inside the content area; mac outside) 
	width += (scrollbars != '' && scrollbars != null && agent.indexOf("mac") == -1) ? 16 : 0;

	var properties = 'width=' + width + ',height=' + height + ',screenX=' + x + ',screenY=' + y + ',left=' + x + ',top=' + y + ((status) ? ',status' : '') + ',scrollbars' + ((scrollbars) ? '' : '=no') + ((moreProperties) ? ',' + moreProperties : '');
	var reference = openWindow(url, name, properties, openerName, height);
	
	// resize window in ie if we can resize in ns; very messy
	// commented out because openPositionedWindow() doesn't set the resizable attribute
	// left in for reference
	/*if (resizable && agent.indexOf("msie") != -1) {
		if (agent.indexOf("mac") != -1) {
			height += (status) ? 15 : 2;
			if (parseFloat(navigator.appVersion) > 5) width -= 11;
		}
		else {
			height += (status) ? 49 : 31;
			width += 13;
		}
		setTimeout('if (reference != null && !reference.closed) reference.resizeTo(' + width + ',' + height + ');', 150);
	}*/

	return reference;
}


// Open a window at the center of the screen
function openCenteredWindow(url, name, width, height, status, scrollbars, moreProperties, openerName) {
	var x, y = 0;
	if (screen) {
      x = (screen.availWidth - width) / 2;
	   y = (screen.availHeight - height) / 2;
   }
	if (!status) status = '';
	if (!openerName) openerName = '';
	var reference = openPositionedWindow(url, name, width, height, x, y, status, scrollbars, moreProperties, openerName);
	return reference;
}	


// Open a window at the center of the parent window
function openCenteredOnOpenerWindow(url, name, width, height, status, scrollbars, moreProperties, openerName) {
	var centerX = 0;
   var centerY = 0;
   if (window.screenX != null && window.outerWidth) {
      centerX = window.screenX + (window.outerWidth / 2);
      centerY = window.screenY + (window.outerHeight / 2);
   }
   else if (window.screenLeft) {
      if (document.documentElement) {
         centerX = window.screenLeft + (document.documentElement.offsetWidth / 2);
         centerY = window.screenTop + (document.documentElement.offsetHeight / 2);
      }
      else if (document.body && document.body.offsetWidth) {
         centerX = window.screenLeft + (document.body.offsetWidth / 2);
         centerY = window.screenTop + (document.body.offsetHeight / 2);
      }
   }
   
   if (centerX == 0) {
      openCenteredWindow(url, name, width, height, status, scrollbars, moreProperties, openerName);
   }
   var x = parseInt(centerX - (width / 2));
   var y = parseInt(centerY - (height / 2));
	if (!status) status = '';
	if (!openerName) openerName = '';
	var reference = openPositionedWindow(url, name, width, height, x, y, status, scrollbars, moreProperties, openerName);
	return reference;
}	


// Open a full-screen window (different from IE's fullscreen option)
function openMaxedWindow(url, name, scrollbars, openerName) {
	var x, y = 0;
	var width  = 600;
	var height = 800;
	if (screen) {
      if (screen.availLeft) {
         x = screen.availLeft;
         y = screen.availTop;
      }
      width  = screen.availWidth - 6;
	   height = screen.availHeight - 29;
   }
	var reference = openPositionedWindow(url, name, width, height, x, y, false, scrollbars, openerName);
	return reference;
}


// Open a full-chrome (all GUI elements) window
// This is like using a target="_blank" in a normal link but allows focussing the window
function openFullChromeWindow(url, name, openerName) {
	return openWindow(url, name, 'directories,location,menubar,resizable,scrollbars,status,toolbar');
}


// Open a sized full-chrome (all GUI elements) window 
function openSizedFullChromeWindow(url, name, width, height, openerName) {
	return openCenteredWindow(url, name, width, height, true, true, 'directories,location,menubar,resizable,toolbar', openerName)
}

function alertSize(win) {
  var myWidth = 0, myHeight = 0;
  if( typeof( win.innerWidth ) == 'number' ) {
    //Non-IE
    myWidth = win.innerWidth;
    myHeight = win.innerHeight;
  } else if( win.document.documentElement &&
      ( win.document.documentElement.clientWidth || win.document.documentElement.clientHeight ) ) {
    //IE 6+ in 'standards compliant mode'
    myWidth = win.document.documentElement.clientWidth;
    myHeight = win.document.documentElement.clientHeight;
  } else if( win.document.body && ( win.document.body.clientWidth || win.document.body.clientHeight ) ) {
    //IE 4 compatible
    myWidth = win.document.body.clientWidth;
    myHeight = win.document.body.clientHeight;
  }
  alert( 'Width = ' + myWidth );
  alert( 'Height = ' + myHeight );
}


// Core utility function that actually creates the window and gives focus to it
function openWindow(url, name, properties, openerName, height) {

	// ie4.x pc can't give focus to windows containing documents from a different domain
	// in this case, initially load a local interstisial page to allow focussing before loading final url
	var agent = navigator.userAgent.toLowerCase();
	if (agent.indexOf("msie") != -1 && parseInt(navigator.appVersion) == 4 && agent.indexOf("msie 5") == -1 && agent.indexOf("msie5") == -1 && agent.indexOf("win") != -1 && url.indexOf('http://') == 0) {
		winReference = window.open('about:blank', name, properties);
		setTimeout('if (winReference && !winReference.closed) winReference.location.replace("' + url + '")', 300);
	}
	else {
		winReference = window.open(url, name, properties);
	}

	// ie doesn't like giving focus immediately (to new window in 4.5 on mac; to existing ones in 5 on pc)
	setTimeout('if (winReference && !winReference.closed) winReference.focus()', 200);
	
	if (openerName) self.name = openerName;
	return winReference;
}
/*******************************************************************************
	Modal Dialog controls
*******************************************************************************/
// Close a dialog
// Call from onunload event handler of any page that can create a dialog
function closeDialog(dialog) {
	if (dialog && dialog.closed != true) dialog.close();
}
// Close parent popup
// Call from onload event handler of any page that could be created from a dialog
function closeParentDialog() {
	if (top.opener && isWindowPopup(top.opener)) {
		root = top.opener.top.opener;
		top.opener.close();
		top.opener = root;
	}
}

// Check if a window is a popup
function isWindowPopup(win) {
	return ((win.opener) ? true : false);
}