/* --- 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='<img  style="vertical-align:middle"  src="info.gif">&nbsp;&nbsp;'+dvHdr.innerHTML;
	dvHdr.style.fontWeight='bold';
	dvHdr.style.width='auto';
	dvHdr.style.fontFamily='arial';
	dvHdr.style.border='1px solid #A5CFE9';
	dvHdr.style.padding='3px';
	dvHdr.style.fontSize='11px';
	dvHdr.style.color='#4B7A98';
	dvHdr.style.background='#D5EBF9';
	dvHdr.style.filter='alpha(opacity=85)'; // IE
	dvHdr.style.opacity='0.85'; // FF
}

function defBdyStyle() {
	dvBdy.style.borderBottom='1px solid #A5CFE9';
	dvBdy.style.borderLeft='1px solid #A5CFE9';
	dvBdy.style.borderRight='1px solid #A5CFE9';
	dvBdy.style.width='auto';
	dvBdy.style.fontFamily='arial';
	dvBdy.style.fontSize='11px';
	dvBdy.style.padding='3px';
	dvBdy.style.color='#1B4966';
	dvBdy.style.background='#FFFFFF';
	dvBdy.style.filter='alpha(opacity=85)'; // IE
	dvBdy.style.opacity='0.85'; // 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) {
	var btext = curNode.getAttribute('hoverbox');
	  if (checkElemBO(btext)) {
         curNode.boHDR=getParam('header',btext);
         curNode.boBDY=getParam('body',btext);
			curNode.boCSSBDY=getParam('cssbody',btext);			
			curNode.boCSSHDR=getParam('cssheader',btext);
			curNode.IEbugfix=(getParam('hideselects',btext)=='on')?true:false;
			curNode.fixX=parseInt(getParam('fixedrelx',btext));
			curNode.fixY=parseInt(getParam('fixedrely',btext));
			curNode.absX=parseInt(getParam('fixedabsx',btext));
			curNode.absY=parseInt(getParam('fixedabsy',btext));
			curNode.offY=(getParam('offsety',btext)!='')?parseInt(getParam('offsety',btext)):10;
			curNode.offX=(getParam('offsetx',btext)!='')?parseInt(getParam('offsetx',btext)):10;
			curNode.fade=(getParam('fade',btext)=='on')?true:false;
			curNode.fadespeed=(getParam('fadespeed',btext)!='')?getParam('fadespeed',btext):0.04;
			curNode.delay=(getParam('delay',btext)!='')?parseInt(getParam('delay',cbtext)):0;
			if (getParam('requireclick',btext)=='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',btext)!='off') {
   				document.all?curNode.attachEvent('ondblclick',pauseBox):curNode.addEventListener('dblclick',pauseBox,false);
   			}	
   			if (getParam('singleclickstop',btext)=='on') {
   				document.all?curNode.attachEvent('onclick',pauseBox):curNode.addEventListener('click',pauseBox,false);
   			}
   		}
			curNode.windowLock=getParam('windowlock',btext).toLowerCase()=='off'?false:true;
			btext='';
			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';

   }

}