/*************************************************************************
MM ROLLOVER CODE
*************************************************************************/

function MM_findObj(n, d) { //v4.01
  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 && d.getElementById) x=d.getElementById(n); return x;
}
function MM_swapImage() { //v3.0
  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.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
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++) x.src=x.oSrc;
}

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];}}
}



/*************************************************************************
PAGE LOAD EVENT
*************************************************************************/

function addLoadEvent(func) {
    var oldonload = window.onload;
    if (typeof window.onload != 'function') {
        window.onload = func;
    } else {
        window.onload = function() {
            if (oldonload) {
                oldonload();
            }
            func();
        }
    }
}



/*************************************************************************
SCROLLER FUNCTIONALITY
*************************************************************************/


// scroll the element vertically based on its width and the slider maximum value
function scrollVertical(value, element, slider) {
	element.scrollTop = Math.round(value/slider.maximum*(element.scrollHeight-element.offsetHeight));
}

// scroll the element horizontally based on its width and the slider maximum value
function scrollHorizontal(value, element, slider) {
	element.scrollLeft = Math.round(value/slider.maximum*(element.scrollWidth-element.offsetWidth));
}

function loadHorizontalSlider() {
	// Scriptaculous Slider extended by TomDavis.co.uk

	var ScrollAreaID = "horizScroll";
	var horizSlider = new Control.Slider('horizHandle', 'horizTrack', {
		onSlide: function(v) { scrollHorizontal(v, $(ScrollAreaID), horizSlider);  },
		onChange: function(v) { scrollHorizontal(v, $(ScrollAreaID), horizSlider); }
	});
	
	Event.observe('horizTrack','mouseover',function() { 
		Element.addClassName('horizTrack', 'arrowOver'); 
	});

	Event.observe('horizTrack','mouseout',function() { 
		Element.removeClassName('horizTrack', 'arrowDefault');
	});
}


function loadVerticalSlider() {
	// Scriptaculous Slider extended by TomDavis.co.uk

	var ScrollAreaID = "vertScroll";
	var vertSlider = new Control.Slider('vertHandle', 'vertTrack', {
		axis: 'vertical',
		onSlide: function(v) { scrollVertical(v, $(ScrollAreaID), vertSlider);  },
		onChange: function(v) { scrollVertical(v, $(ScrollAreaID), vertSlider); }
	});
	
	if ($(ScrollAreaID).scrollHeight <= $(ScrollAreaID).offsetHeight) {
		vertSlider.setDisabled();
		$("vertControls").style.visibility = "hidden";
	}
	
	Event.observe('vertTrack','mouseover',function() { 
		Element.addClassName('vertTrack', 'arrowOver'); 
	});

	Event.observe('vertTrack','mouseout',function() { 
		Element.removeClassName('vertTrack', 'arrowDefault');
	});
}

function loadVerticalSlider2() {
	// Scriptaculous Slider extended by TomDavis.co.uk

	var ScrollAreaID2 = "vertScroll2";
	var vertSlider2 = new Control.Slider('vertHandle2', 'vertTrack2', {
		axis: 'vertical',
		onSlide: function(v2) { scrollVertical(v2, $(ScrollAreaID2), vertSlider2);  },
		onChange: function(v2) { scrollVertical(v2, $(ScrollAreaID2), vertSlider2); }
	});
	
	if ($(ScrollAreaID2).scrollHeight <= $(ScrollAreaID2).offsetHeight) {
		vertSlider2.setDisabled();
		$("vertControls2").style.visibility = "hidden";
	}
	
	Event.observe('vertTrack2','mouseover',function() { 
		Element.addClassName('vertTrack2', 'arrowOver'); 
	});

	Event.observe('vertTrack2','mouseout',function() { 
		Element.removeClassName('vertTrack2', 'arrowDefault');
	});
}



/*************************************************************************
PORTFOLIO IMAGE DISPLAY
*************************************************************************/

function showImageMid(incomingID) {
	Effect.divSwap("mid" + incomingID,"mids");
}


// <![CDATA[
Effect.divSwap = function(element,container){
    var div = document.getElementById(container);
    var nodeList = div.childNodes;
    var queue = Effect.Queues.get('fade');

    if(queue.toArray().length<1){
        if(Element.visible(element)==false){
            for(i=0;i<nodeList.length;i++){
                if(nodeList.item(i).nodeName=="DIV" && nodeList.item(i).id!=element){
                    if(Element.visible(nodeList.item(i))==true){
                        Effect.Fade(nodeList.item(i),{queue:{position:'end',scope:'fade',limit:2}})
                    }
                }
            }
            Effect.Appear(element,{queue:{position:'end',scope:'fade',limit:2}})
       }
   }
}
// ]]>


/*************************************************************************
PAGE LOAD EVENTS
*************************************************************************/


addLoadEvent(function(){
	MM_preloadImages('/images/m1_portfolio_f2.gif',
		'/images/m2_travelarchive_f2.gif',
		'/images/m3_lifestylearchive_f2.gif',
		'/images/m4_commissions_f2.gif',
		'/images/m5_biography_f2.gif',
		'/images/m6_newspress_f2.gif',
		'/images/m7_clients_f2.gif',
		'/images/m8_contact_f2.gif');
	initLightbox();
})