/* --- BoxOver ---
/* --- v 2.1 17th June 2006
By Oliver Bryant with help of Matthew Tagg
http://boxover.swazz.org */

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() {
	dvHdr.innerHTML=dvHdr.innerHTML;
	dvHdr.style.fontWeight='bold';
	dvHdr.style.width='250px';
	dvHdr.style.fontFamily='arial';
	dvHdr.style.border='1px solid #A5CFE9';
	dvHdr.style.padding='3px';
	dvHdr.style.fontSize='9pt';
	dvHdr.style.color='#4B7A98';
	dvHdr.style.background='#D5EBF9';
}

function defBdyStyle() {
	dvBdy.style.borderBottom='1px solid #A5CFE9';
	dvBdy.style.borderLeft='1px solid #A5CFE9';
	dvBdy.style.borderRight='1px solid #A5CFE9';
	dvBdy.style.width='250px';
	dvBdy.style.fontFamily='arial';
	dvBdy.style.fontSize='9pt';
	dvBdy.style.padding='3px';
	dvBdy.style.color='#1B4966';
	dvBdy.style.background='#FFFFFF';
}

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.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) {
	e?evt=e:evt=event;
	CSE=evt.target?evt.target:evt.srcElement;
	if (!CSE.hasbox) {
		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';
}