var preview="";
var gobj="";
function attachEvent_(obj, evt, fuc, useCapture) {
  if(!useCapture) useCapture=false;
  if(obj.addEventListener) {
    return obj.addEventListener(evt,fuc,useCapture);
  } else if(obj.attachEvent) {
    return obj.attachEvent("on"+evt, fuc);
  } else {
    MyAttachEvent(obj, evt, fuc);
    obj['on'+evt]=function() { MyFireEvent(obj,evt) };
  }
}

function detachEvent_(obj, evt, fuc, useCapture) {
  if(!useCapture) useCapture=false;
  if(obj.removeEventListener) {
    return obj.removeEventListener(evt,fuc,useCapture);
  } else if(obj.detachEvent) {
    return obj.detachEvent("on"+evt, fuc);
  } else {
    MyDetachEvent(obj, evt, fuc);
    obj['on'+evt]=function() { MyFireEvent(obj,evt) };
  }
}

function MyAttachEvent(obj, evt, fuc) {
  if(!obj.myEvents) obj.myEvents= {};
  if(!obj.myEvents[evt]) obj.myEvents[evt]=[];
  var evts = obj.myEvents[evt];
  evts[evts.length]=fuc;
}

function MyFireEvent(obj, evt) {
  if(!obj.myEvents || !obj.myEvents[evt]) return;
  var evts = obj.myEvents[evt];
  for (var i=0;i<len;i++) {
    len=evts.length;
    evts[i]();
  }
}

function previewShow(e, obj, pv) {
  preview=pv;
  gobj=obj;
  attachEvent_(obj, "mousemove", previewMove, false);
  attachEvent_(obj, "mouseout", previewHide, false);
}

function previewMove(e) {
  var hb = document.getElementById(preview);
  if(hb.parentElement) hb.parentElement.style.display="";
  else hb.parentNode.style.display="";
  var evt = e ? e : window.event;
  var posx=0;
  var posy=0;

  if (evt.pageX || evt.pageY) {
    posx = evt.pageX -276;
    posy = evt.pageY +16;
  } else if (evt.clientX || evt.clientY) {
    posx = evt.clientX -280;
    posy = evt.clientY +20;
    if (window.event) {
      posx += document.body.scrollLeft;
      posy += document.body.scrollTop;
     }
  }

  hb.style.left = posx + "px";
  hb.style.top = posy + "px";
}

function previewHide() {
  var hb = document.getElementById(preview);
  if(hb.parentElement) hb.parentElement.style.display="none";
  else hb.parentNode.style.display="none";

  detachEvent_(gobj,"mousemove", previewMove, false);
}


/* --- BoxOver ---*/

if (typeof document.attachEvent!='undefined') {
   window.attachEvent('onload',init);
   document.attachEvent('onmousemove',moveMouse);
   document.attachEvent('onclick',checkMove); }
else {
   window.addEventListener('load',init,false);
   document.addEventListener('mousemove',moveMouse,false);
   document.addEventListener('click',checkMove,false);
}

var oDv=document.createElement("div");
var dvHdr=document.createElement("div");
var dvBdy=document.createElement("div");
var windowlock,boxMove,fixposx,fixposy,lockX,lockY,fixx,fixy,ox,oy,boxLeft,boxRight,boxTop,boxBottom,evt,mouseX,mouseY,boxOpen,totalScrollTop,totalScrollLeft;
boxOpen=false;
ox=10;
oy=10;
lockX=0;
lockY=0;

function init() {
	oDv.appendChild(dvHdr);
	oDv.appendChild(dvBdy);
	oDv.style.position="absolute";
	oDv.style.visibility='hidden';
	document.body.appendChild(oDv);	
}

function defHdrStyle() {

}

function defBdyStyle() {
	dvBdy.style.borderTop='1px solid #D2D0C0';
	dvBdy.style.borderBottom='1px solid #D2D0C0';
	dvBdy.style.borderLeft='1px solid #D2D0C0';
	dvBdy.style.borderRight='1px solid #D2D0C0';
	dvBdy.style.width='1px';
	dvBdy.style.fontFamily='arial';
	dvBdy.style.fontSize='11';
	dvBdy.style.padding='0';
	dvBdy.style.color='#1B4966';
	dvBdy.style.background='#FFFFFF';
	dvBdy.style.filter='alpha(opacity=95)'; // IE
	dvBdy.style.opacity='0.95'; // FF
}

function checkElemBO(txt) {
if (!txt || typeof(txt) != 'string') return false;
if ((txt.indexOf('header')>-1)&&(txt.indexOf('body')>-1)&&(txt.indexOf('[')>-1)&&(txt.indexOf('[')>-1)) 
   return true;
else
   return false;
}

function scanBO(curNode) {
	  if (checkElemBO(curNode.title)) {
         curNode.boHDR=getParam('header',curNode.title);
         curNode.boBDY=getParam('body',curNode.title);
			curNode.boCSSBDY=getParam('cssbody',curNode.title);			
			curNode.boCSSHDR=getParam('cssheader',curNode.title);
			curNode.IEbugfix=(getParam('hideselects',curNode.title)=='on')?true:false;
			curNode.fixX=parseInt(getParam('fixedrelx',curNode.title));
			curNode.fixY=parseInt(getParam('fixedrely',curNode.title));
			curNode.absX=parseInt(getParam('fixedabsx',curNode.title));
			curNode.absY=parseInt(getParam('fixedabsy',curNode.title));
			curNode.offY=(getParam('offsety',curNode.title)!='')?parseInt(getParam('offsety',curNode.title)):10;
			curNode.offX=(getParam('offsetx',curNode.title)!='')?parseInt(getParam('offsetx',curNode.title)):10;
			curNode.fade=(getParam('fade',curNode.title)=='on')?true:false;
			curNode.fadespeed=(getParam('fadespeed',curNode.title)!='')?getParam('fadespeed',curNode.title):0.04;
			curNode.delay=(getParam('delay',curNode.title)!='')?parseInt(getParam('delay',curNode.title)):0;
			if (getParam('requireclick',curNode.title)=='on') {
				curNode.requireclick=true;
				document.all?curNode.attachEvent('onclick',showHideBox):curNode.addEventListener('click',showHideBox,false);
				document.all?curNode.attachEvent('onmouseover',hideBox):curNode.addEventListener('mouseover',hideBox,false);
			}
			else {// Note : if requireclick is on the stop clicks are ignored   			
   			if (getParam('doubleclickstop',curNode.title)!='off') {
   				document.all?curNode.attachEvent('ondblclick',pauseBox):curNode.addEventListener('dblclick',pauseBox,false);
   			}	
   			if (getParam('singleclickstop',curNode.title)=='on') {
   				document.all?curNode.attachEvent('onclick',pauseBox):curNode.addEventListener('click',pauseBox,false);
   			}
   		}
			curNode.windowLock=getParam('windowlock',curNode.title).toLowerCase()=='off'?false:true;
			curNode.title='';
			curNode.hasbox=1;
	   }
	   else
	      curNode.hasbox=2;   
}


function getParam(param,list) {
	var reg = new RegExp('([^a-zA-Z]' + param + '|^' + param + ')\\s*=\\s*\\[\\s*(((\\[\\[)|(\\]\\])|([^\\]\\[]))*)\\s*\\]');
	var res = reg.exec(list);
	var returnvar;
	if(res)
		return res[2].replace('[[','[').replace(']]',']');
	else
		return '';
}

function Left(elem){	
	var x=0;
	if (elem.calcLeft)
		return elem.calcLeft;
	var oElem=elem;
	while(elem){
		 if ((elem.currentStyle)&& (!isNaN(parseInt(elem.currentStyle.borderLeftWidth)))&&(x!=0))
		 	x+=parseInt(elem.currentStyle.borderLeftWidth);
		 x+=elem.offsetLeft;
		 elem=elem.offsetParent;
	  } 
	oElem.calcLeft=x;
	return x;
	}

function Top(elem){
	 var x=0;
	 if (elem.calcTop)
	 	return elem.calcTop;
	 var oElem=elem;
	 while(elem){		
	 	 if ((elem.currentStyle)&& (!isNaN(parseInt(elem.currentStyle.borderTopWidth)))&&(x!=0))
		 	x+=parseInt(elem.currentStyle.borderTopWidth); 
		 x+=elem.offsetTop;
	         elem=elem.offsetParent;
 	 } 
 	 oElem.calcTop=x;
 	 return x;
 	 
}

var ah,ab;
function applyStyles() {
	if(ab)
		oDv.removeChild(dvBdy);
	if (ah)
		oDv.removeChild(dvHdr);
	dvHdr=document.createElement("div");
	dvBdy=document.createElement("div");
	CBE.boCSSBDY?dvBdy.className=CBE.boCSSBDY:defBdyStyle();
	CBE.boCSSHDR?dvHdr.className=CBE.boCSSHDR:defHdrStyle();
	dvHdr.innerHTML=CBE.boHDR;
	dvBdy.innerHTML=CBE.boBDY;
	ah=false;
	ab=false;
	if (CBE.boHDR!='') {		
		oDv.appendChild(dvHdr);
		ah=true;
	}	
	if (CBE.boBDY!=''){
		oDv.appendChild(dvBdy);
		ab=true;
	}	
}

var CSE,iterElem,LSE,CBE,LBE, totalScrollLeft, totalScrollTop, width, height ;
var ini=false;

// Customised function for inner window dimension
function SHW() {
   if (document.body && (document.body.clientWidth !=0)) {
      width=document.body.clientWidth;
      height=document.body.clientHeight;
   }
   if (document.documentElement && (document.documentElement.clientWidth!=0) && (document.body.clientWidth + 20 >= document.documentElement.clientWidth)) {
      width=document.documentElement.clientWidth;   
      height=document.documentElement.clientHeight;   
   }   
   return [width,height];
}


var ID=null;
function moveMouse(e) {
   //boxMove=true;
	e?evt=e:evt=event;
	
	CSE=evt.target?evt.target:evt.srcElement;
	
	if (!CSE.hasbox) {
	   // Note we need to scan up DOM here, some elements like TR don't get triggered as srcElement
	   iElem=CSE;
	   while ((iElem.parentNode) && (!iElem.hasbox)) {
	      scanBO(iElem);
	      iElem=iElem.parentNode;
	   }	   
	}
	
	if ((CSE!=LSE)&&(!isChild(CSE,dvHdr))&&(!isChild(CSE,dvBdy))){		
	   if (!CSE.boxItem) {
			iterElem=CSE;
			while ((iterElem.hasbox==2)&&(iterElem.parentNode))
					iterElem=iterElem.parentNode; 
			CSE.boxItem=iterElem;
			}
		iterElem=CSE.boxItem;
		if (CSE.boxItem&&(CSE.boxItem.hasbox==1))  {
			LBE=CBE;
			CBE=iterElem;
			if (CBE!=LBE) {
				applyStyles();
				if (!CBE.requireclick)
					if (CBE.fade) {
						if (ID!=null)
							clearTimeout(ID);
						ID=setTimeout("fadeIn("+CBE.fadespeed+")",CBE.delay);
					}
					else {
						if (ID!=null)
							clearTimeout(ID);
						COL=1;
						ID=setTimeout("oDv.style.visibility='visible';ID=null;",CBE.delay);						
					}
				if (CBE.IEbugfix) {hideSelects();} 
				fixposx=!isNaN(CBE.fixX)?Left(CBE)+CBE.fixX:CBE.absX;
				fixposy=!isNaN(CBE.fixY)?Top(CBE)+CBE.fixY:CBE.absY;			
				lockX=0;
				lockY=0;
				boxMove=true;
				ox=CBE.offX?CBE.offX:10;
				oy=CBE.offY?CBE.offY:10;
			}
		}
		else if (!isChild(CSE,dvHdr) && !isChild(CSE,dvBdy) && (boxMove))	{
			// The conditional here fixes flickering between tables cells.
			if ((!isChild(CBE,CSE)) || (CSE.tagName!='TABLE')) {   			
   			CBE=null;
   			if (ID!=null)
  					clearTimeout(ID);
   			fadeOut();
   			showSelects();
			}
		}
		LSE=CSE;
	}
	else if (((isChild(CSE,dvHdr) || isChild(CSE,dvBdy))&&(boxMove))) {
		totalScrollLeft=0;
		totalScrollTop=0;
		
		iterElem=CSE;
		while(iterElem) {
			if(!isNaN(parseInt(iterElem.scrollTop)))
				totalScrollTop+=parseInt(iterElem.scrollTop);
			if(!isNaN(parseInt(iterElem.scrollLeft)))
				totalScrollLeft+=parseInt(iterElem.scrollLeft);
			iterElem=iterElem.parentNode;			
		}
		if (CBE!=null) {
			boxLeft=Left(CBE)-totalScrollLeft;
			boxRight=parseInt(Left(CBE)+CBE.offsetWidth)-totalScrollLeft;
			boxTop=Top(CBE)-totalScrollTop;
			boxBottom=parseInt(Top(CBE)+CBE.offsetHeight)-totalScrollTop;
			doCheck();
		}
	}
	
	if (boxMove&&CBE) {
		// This added to alleviate bug in IE6 w.r.t DOCTYPE
		bodyScrollTop=document.documentElement&&document.documentElement.scrollTop?document.documentElement.scrollTop:document.body.scrollTop;
		bodyScrollLet=document.documentElement&&document.documentElement.scrollLeft?document.documentElement.scrollLeft:document.body.scrollLeft;
		mouseX=evt.pageX?evt.pageX-bodyScrollLet:evt.clientX-document.body.clientLeft;
		mouseY=evt.pageY?evt.pageY-bodyScrollTop:evt.clientY-document.body.clientTop;
		if ((CBE)&&(CBE.windowLock)) {
			mouseY < -oy?lockY=-mouseY-oy:lockY=0;
			mouseX < -ox?lockX=-mouseX-ox:lockX=0;
			mouseY > (SHW()[1]-oDv.offsetHeight-oy)?lockY=-mouseY+SHW()[1]-oDv.offsetHeight-oy:lockY=lockY;
			mouseX > (SHW()[0]-dvBdy.offsetWidth-ox)?lockX=-mouseX-ox+SHW()[0]-dvBdy.offsetWidth:lockX=lockX;			
		}
		oDv.style.left=((fixposx)||(fixposx==0))?fixposx:bodyScrollLet+mouseX+ox+lockX+"px";
		oDv.style.top=((fixposy)||(fixposy==0))?fixposy:bodyScrollTop+mouseY+oy+lockY+"px";		
		
	}
}

function doCheck() {	
	if (   (mouseX < boxLeft)    ||     (mouseX >boxRight)     || (mouseY < boxTop) || (mouseY > boxBottom)) {
		if (!CBE.requireclick)
			fadeOut();
		if (CBE.IEbugfix) {showSelects();}
		CBE=null;
	}
}

function pauseBox(e) {
   e?evt=e:evt=event;
	boxMove=false;
	evt.cancelBubble=true;
}

function showHideBox(e) {
	oDv.style.visibility=(oDv.style.visibility!='visible')?'visible':'hidden';
}

function hideBox(e) {
	oDv.style.visibility='hidden';
}

var COL=0;
var stopfade=false;
function fadeIn(fs) {
		ID=null;
		COL=0;
		oDv.style.visibility='visible';
		fadeIn2(fs);
}

function fadeIn2(fs) {
		COL=COL+fs;
		COL=(COL>1)?1:COL;
		oDv.style.filter='alpha(opacity='+parseInt(100*COL)+')';
		oDv.style.opacity=COL;
		if (COL<1)
		 setTimeout("fadeIn2("+fs+")",20);		
}


function fadeOut() {
	oDv.style.visibility='hidden';
	
}

function isChild(s,d) {
	while(s) {
		if (s==d) 
			return true;
		s=s.parentNode;
	}
	return false;
}

var cSrc;
function checkMove(e) {
	e?evt=e:evt=event;
	cSrc=evt.target?evt.target:evt.srcElement;
	if ((!boxMove)&&(!isChild(cSrc,oDv))) {
		fadeOut();
		if (CBE&&CBE.IEbugfix) {showSelects();}
		boxMove=true;
		CBE=null;
	}
}

function showSelects(){
   var elements = document.getElementsByTagName("select");
   for (i=0;i< elements.length;i++){
      elements[i].style.visibility='visible';
   }
}

function hideSelects(){
   var elements = document.getElementsByTagName("select");
   for (i=0;i< elements.length;i++){
   elements[i].style.visibility='hidden';
   }
}



/*Magnifier */

var MojoMagnify = (function() {

	var $ = function(id) {return document.getElementById(id);};
	var dc = function(tag) {return document.createElement(tag);};

	function addEvent(element, ev, handler) 
	{
		var doHandler = function(e) {
			return handler(e||window.event);
		}
		if (element.addEventListener) { 
			element.addEventListener(ev, doHandler, false); 
		} else if (element.attachEvent) { 
			element.attachEvent("on" + ev, doHandler); 
		}
	}

	function getElementPos(element)
	{
		var x = element.offsetLeft;
		var y = element.offsetTop;
		var parent = element.offsetParent;
		while (parent) {
			x += parent.offsetLeft;
			y += parent.offsetTop;
			parent = parent.offsetParent;
		}
		return {
			x : x,
			y : y
		}
	}

	function getEventMousePos(element, e) {
		var scrollX = document.body.scrollLeft || document.documentElement.scrollLeft;
		var scrollY = document.body.scrollTop || document.documentElement.scrollTop;

		if (e.currentTarget) {
			var pos = getElementPos(element);
			return {
				x : e.clientX - pos.x + scrollX,
				y : e.clientY - pos.y + scrollY
			}
		}
		return {
			x : e.offsetX,
			y : e.offsetY
		}
	}

	function makeMagnifiable(img, zoomSrc) {
		// make sure the image is loaded, if not then add an onload event and return
		if (!img.complete && !img.__mojoMagnifyQueued) {
			addEvent(img, "load", function() {
				img.__mojoMagnifyQueued = true;
				setTimeout(function() {
				makeMagnifiable(img, zoomSrc);
				}, 1);
			});
			return;
		}

		var w = img.offsetWidth;
		var h = img.offsetHeight;

		var oldParent = img.parentNode;
		if (oldParent.nodeName != "A") {
			var linkParent = dc("a");
			linkParent.setAttribute("", zoomSrc);
			oldParent.replaceChild(linkParent, img);
			linkParent.appendChild(img);
		} else {
			var linkParent = oldParent;
		}

		var isIE = !!document.all && !!window.attachEvent && !window.opera;

		linkParent.style.position = "relative";
		linkParent.style.display = "block";
		linkParent.style.width = w+"px";
		linkParent.style.height = h+"px";

		var imgLeft = img.offsetLeft;
		var imgTop = img.offsetTop;

		var zoom = dc("div");
		zoom.className = "mojomagnify_zoom";

		var zoomImg = dc("img");
		zoomImg.className = "mojomagnify_img";
		zoomImg.style.position = "absolute";

		var parent = img.parentNode;
		zoom.appendChild(zoomImg);

		var ctr = dc("div");
		with (ctr.style) {
			position = "absolute";
			left = imgLeft+"px";
			top = imgTop+"px";
			width = w+"px";
			height = h+"px";
			overflow = "hidden";
			display = "none";
		}


		ctr.appendChild(zoom);
		parent.appendChild(ctr);

		var zoomBorder = dc("div");
		zoomBorder.className = "mojomagnify_border";
		zoom.appendChild(zoomBorder);

		var zoomInput = parent;

		var isInImage = false;

		addEvent(zoomImg, "load", function() {

			var onMouseOut = 
				function(e) {
					var target = e.target || e.srcElement;
					if (!target) return;
					if (target.nodeName != "DIV") return;
					var relTarget = e.relatedTarget || e.toElement;
					if (!relTarget) return;
					while (relTarget != target && relTarget.nodeName != "BODY" && relTarget.parentNode) {
						relTarget = relTarget.parentNode;
					}
					if (relTarget != target) {
						isInImage = false;
						ctr.style.display = "none";
					}
				};

			addEvent(ctr, "mouseout", onMouseOut);
			addEvent(ctr, "mouseleave", onMouseOut);
			if (isIE) {
				addEvent(document.body, "mouseover",
					function(e) {
						if (isInImage && e.toElement != zoomImg) {
							ctr.style.display = "none";
						}
					}
				);
			}

			addEvent(zoomInput, "mousemove", 
				function(e) {
					isInImage = true;

					ctr.style.display = "block";

					var pos = getEventMousePos(zoomInput, e);

					if (e.srcElement && isIE) {
						if (e.srcElement == zoom) return;
						if (e.srcElement != zoomInput) {
							var zoomImgPos = getElementPos(e.srcElement);
							var imgPos = getElementPos(img);
							pos.x -= (imgPos.x - zoomImgPos.x);
							pos.y -= (imgPos.y - zoomImgPos.y);
						}
					}

					var x = e.clientX - (getElementPos(img).x - (document.body.scrollLeft||document.documentElement.scrollLeft));
					var y = e.clientY - (getElementPos(img).y - (document.body.scrollTop||document.documentElement.scrollTop));

					var maskWidth = zoom.offsetWidth;
					var maskHeight = zoom.offsetHeight;

					var left = pos.x - maskWidth/2;
					var top = pos.y - maskHeight/2;

					if (!isIE) {
						left -= imgLeft;
						top -= imgTop;
					}

					zoom.style.left = left + "px";
					zoom.style.top = top + "px";

					var zoomXRatio = zoomImg.offsetWidth / w;
					var zoomYRatio = zoomImg.offsetHeight / h;

					var zoomX = Math.round(x * zoomXRatio);
					var zoomY = Math.round(y * zoomYRatio);

					zoomImg.style.left = -zoomX + maskWidth/2 + "px";
					zoomImg.style.top = -zoomY + maskWidth/2 + "px";
				}
			);
		});

		// I've no idea. Simply setting the src will make IE screw it self into a 100% CPU fest. In a timeout, it's ok.
		setTimeout(function() { 
			zoomImg.src = zoomSrc;
		}, 1);
	}

	function init() {
		var images = document.getElementsByTagName("img");
		var imgList = [];
		for (var i=0;i<images.length;i++) {
			imgList.push(images[i]);
		}
		for (var i=0;i<imgList.length;i++) {
			var img = imgList[i];
			var zoomSrc = img.getAttribute("data-magnifysrc");
			if (zoomSrc) {
				makeMagnifiable(img, zoomSrc);
			}
		}
	}

	return {
		addEvent : addEvent,
		init : init,
		makeMagnifiable : makeMagnifiable
	};

})();

MojoMagnify.addEvent(window, "load", MojoMagnify.init);