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

/* --- Customized by James Brooks --- */

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,boxWidth,boxFloat,boxLeft,boxRight,boxTop,boxBottom,evt,mouseX,mouseY,boxOpen,totalScrollTop,totalScrollLeft;
boxOpen=false;
boxWidth=350;
ox=10;
oy=10;
lockX=0;
lockY=0;

function init() {
	oDv.appendChild(dvHdr);
	oDv.appendChild(dvBdy);
	oDv.style.position="absolute";
	oDv.style.visibility='hidden';
	oDv.style.width=boxWidth+'px';
	document.getElementById('main_container').appendChild(oDv);	
}

function defHdrStyle() {
	dvHdr.style.fontWeight='bold';
	dvHdr.style.fontFamily='verdana';
	dvHdr.style.borderTop='1px solid #A5CFE9';
	dvHdr.style.borderLeft='1px solid #A5CFE9';
	dvHdr.style.borderRight='1px solid #A5CFE9';	
	//dvHdr.style.border='1px solid #A5CFE9';
	dvHdr.style.paddingTop='4px';
	dvHdr.style.paddingLeft='6px';
	dvHdr.style.fontSize='11px';
	dvHdr.style.color='#4B7A98';
	dvHdr.style.background='#FFFFFF';
}

function defBdyStyle() {
	dvBdy.style.borderBottom='1px solid #A5CFE9';
	dvBdy.style.borderLeft='1px solid #A5CFE9';
	dvBdy.style.borderRight='1px solid #A5CFE9';
	dvBdy.style.fontFamily='verdana';
	dvBdy.style.fontSize='11px';
	dvBdy.style.padding='0px';
	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.boWdth=getParam('width',curNode.title);
		curNode.windowLock=getParam('windowlock',curNode.title).toLowerCase()=='off'?false:true;
		curNode.title='';
		curNode.hasbox=1;
	}  
}


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");
	dvHdr.innerHTML=CBE.boHDR;
	dvBdy.innerHTML=CBE.boBDY;
	objImage = dvBdy.innerHTML;
	dvHdr.style.width = CBE.boWdth;	
	dvBdy.style.width = CBE.boWdth;
	CBE.boCSSBDY?dvBdy.className=CBE.boCSSBDY:defBdyStyle();
	CBE.boCSSHDR?dvHdr.className=CBE.boCSSHDR:defHdrStyle();
	

	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)
					ID=setTimeout("oDv.style.visibility='visible';ID=null;",CBE.delay);						 
				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();
			}
		}
		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;
	
		var boxFloat = new Array();
		browserWidth = SHW()[0];
		browserHeight = SHW()[1];
		mouseX = evt.pageX ? evt.pageX - bodyScrollLet : evt.clientX - document.body.clientLeft;
		mouseY = evt.pageY ? evt.pageY - bodyScrollTop : evt.clientY - document.body.clientTop;
		if ((browserWidth / 2) > mouseX - 170) {
			boxFloat['width'] = "right";
		}
		else {
			boxFloat['width'] = "left";
		}
		//alert(mouseY);
		if (mouseY < 480) {
			boxFloat['height'] = "top";
		}
		else {
			boxFloat['height'] = "bottom";
		}	
		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;
		}
			
		
		/*  FLOAT to the right */
		if (boxFloat['width'] == "right") {
			oDv.style.left = bodyScrollLet + mouseX + ox + lockX + "px";
		}
		else {
			// FLOAT to the left & top
			oDv.style.left = mouseX - boxWidth - 5 +"px";
		}
		if (boxFloat['height'] == "top") {
			// FLOAT to the bottom
			oDv.style.top = bodyScrollTop + mouseY + "px";
		}
		else {
			// FLOAT to the top
			oDv.style.top = "";
			var browser=navigator.appName;
			oDv.style.bottom = document.documentElement.clientHeight - mouseY + "px";
		}		
	}
}

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

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

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


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;
	}
}