/* --- BoxOver ---
/* --- v 1.2 February 17th 2005
By Oliver Bryant with help of Matthew Tagg
http://boxover.swazz.org */
var fullVersion = parseFloat(navigator.appVersion);
var nAgt = navigator.userAgent;

if ((verOffset=nAgt.indexOf("MSIE"))!=-1) {
 fullVersion = parseFloat(nAgt.substring(verOffset+5,nAgt.length));
//alert(fullVersion)
}

if (fullVersion>=5.50)
{
	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);
	}

	/* --- These are all global variables used --- */
	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='300';
		dvHdr.style.fontFamily='arial';
		dvHdr.style.border='1px solid #A5CFE9';
		dvHdr.style.padding='3';
		dvHdr.style.fontSize='11';
		dvHdr.style.color='#4B7A98';
		dvHdr.style.background='#D5EBF9';
		dvHdr.style.filter='alpha(opacity=85)'; // IE
		dvHdr.style.opacity='0.85'; // Firefox
	}

	function defBdyStyle() {
		dvBdy.style.borderBottom='1px solid #A5CFE9';
		dvBdy.style.borderLeft='1px solid #A5CFE9';
		dvBdy.style.borderRight='1px solid #A5CFE9';
		dvBdy.style.width='300';
		dvBdy.style.fontFamily='arial';
		dvBdy.style.fontSize='11';
		dvBdy.style.padding='3';
		dvBdy.style.color='#1B4966';
		dvBdy.style.background='#FFFFFF';
		dvBdy.style.filter='alpha(opacity=85)'; // IE
		dvBdy.style.opacity='0.85'; // Firefox
	}

	var cnt=0;
	function scanDOM(curNode) {
		cnt++;
		while(curNode)	{
			if (curNode.title) {
			  if ((curNode.title.indexOf('header')>-1)&(curNode.title.indexOf('body')>-1)&(curNode.title.indexOf('[')>-1)&(curNode.title.indexOf('[')>-1)) {
				curNode.boHDR=getParam('(?:[^a-zA-Z]header|^header)',curNode.title);
				curNode.boBDY=getParam('(?:[^a-zA-Z]body|^body)',curNode.title);
				curNode.boCSSBDY=getParam('cssbody',curNode.title);			
				curNode.boCSSHDR=getParam('cssheader',curNode.title);
				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;
				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='true';
		   }
			}
			scanDOM(curNode.firstChild);
			curNode=curNode.nextSibling;
		}
	}

	function getParam(param,list) {
		var reg = new RegExp(param+'\\s*=\\s*\\[\\s*(((\\[\\[)|(\\]\\])|([^\\]\\[]))*)\\s*\\]');
		var res = reg.exec(list);
		var returnvar;
		if(res)
			return res[1].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");
		curBoxElem.boCSSBDY?dvBdy.className=curBoxElem.boCSSBDY:defBdyStyle();
		curBoxElem.boCSSHDR?dvHdr.className=curBoxElem.boCSSHDR:defHdrStyle();
		dvHdr.innerHTML=curBoxElem.boHDR;
		dvBdy.innerHTML=curBoxElem.boBDY;
		ah=false;
		ab=false;
		if (curBoxElem.boHDR!='') {		
		oDv.appendChild(dvHdr);
			ah=true;
		}	
		if (curBoxElem.boBDY!=''){
			oDv.appendChild(dvBdy);
			ab=true;
		}	
	}

	var curSrcElem,iterElem,lastSrcElem,curBoxElem,lastBoxElem, totalScrollLeft, totalScrollTop ;
	var ini=false;

	function moveMouse(e) {
	   if (!ini) {      
		  scanDOM(document.body.firstChild);
		  ini=true;
	   }
		e?evt=e:evt=event;	
		//evt=event;
			
		curSrcElem=evt.target?evt.target:evt.srcElement;
		if ((curSrcElem!=lastSrcElem)&&(!isChild(curSrcElem,dvHdr))&&(!isChild(curSrcElem,dvBdy))){
			
			if (!curSrcElem.boxItem) {
				iterElem=curSrcElem;
				while ((!iterElem.hasbox)&&(iterElem.parentNode))
						iterElem=iterElem.parentNode; 
				curSrcElem.boxItem=iterElem;
				}
			iterElem=curSrcElem.boxItem;
			if (curSrcElem.boxItem&&curSrcElem.boxItem.hasbox)  {
				lastBoxElem=curBoxElem;
				curBoxElem=iterElem;
				if (curBoxElem!=lastBoxElem) {
					applyStyles();
					oDv.style.visibility='visible';
					fixposx=!isNaN(curBoxElem.fixX)?Left(curBoxElem)+curBoxElem.fixX:curBoxElem.absX;
					fixposy=!isNaN(curBoxElem.fixY)?Top(curBoxElem)+curBoxElem.fixY:curBoxElem.absY;			
					lockX=0;
					lockY=0;
					boxMove=true;
					ox=curBoxElem.offX?curBoxElem.offX:10;
					oy=curBoxElem.offY?curBoxElem.offY:10;
				}
			}
			else if (!isChild(curSrcElem,dvHdr) && !isChild(curSrcElem,dvBdy) && (boxMove))	{
				// The conditional here fixes flickering between tables cells.
				if ((!isChild(curBoxElem,curSrcElem)) || (curSrcElem.tagName!='TABLE')) {
				
				curBoxElem=null;
				oDv.style.visibility='hidden'; }
			}
			lastSrcElem=curSrcElem;
		}
		else if (((isChild(curSrcElem,dvHdr) || isChild(curSrcElem,dvBdy))&&(boxMove))) {
			totalScrollLeft=0;
			totalScrollTop=0;
			
			iterElem=curSrcElem;
			while(iterElem) {
				if(!isNaN(parseInt(iterElem.scrollTop)))
					totalScrollTop+=parseInt(iterElem.scrollTop);
				if(!isNaN(parseInt(iterElem.scrollLeft)))
					totalScrollLeft+=parseInt(iterElem.scrollLeft);
				iterElem=iterElem.parentNode;			
			}
			boxLeft=Left(curBoxElem)-totalScrollLeft;
			boxRight=parseInt(Left(curBoxElem)+curBoxElem.offsetWidth)-totalScrollLeft;
			boxTop=Top(curBoxElem)-totalScrollTop;
			boxBottom=parseInt(Top(curBoxElem)+curBoxElem.offsetHeight)-totalScrollTop;
			doCheck();
		}
		
		if (boxMove&&curBoxElem) {		
			mouseX=evt.pageX?evt.pageX-document.body.scrollLeft:evt.clientX-document.body.clientLeft;
			mouseY=evt.pageY?evt.pageY-document.body.scrollTop:evt.clientY-document.body.clientTop;
			if ((curBoxElem)&&(curBoxElem.windowLock)) {
				mouseY < -oy?lockY=-mouseY-oy:lockY=0;
				mouseX < -ox?lockX=-mouseX-ox:lockX=0;
				mouseY > (document.body.clientHeight-oDv.offsetHeight-oy)?lockY=-mouseY+document.body.clientHeight-oDv.offsetHeight-oy:lockY=lockY;
				mouseX > (document.body.clientWidth-dvBdy.offsetWidth-ox)?lockX=-mouseX-ox+document.body.clientWidth-dvBdy.offsetWidth:lockX=lockX;	
			}
			oDv.style.left=((fixposx)||(fixposx==0))?fixposx:document.body.scrollLeft+mouseX+ox+lockX;
			oDv.style.top=((fixposy)||(fixposy==0))?fixposy:document.body.scrollTop+mouseY+oy+lockY;		
		}
	}

	function doCheck() {	
		if (   (mouseX < boxLeft)    ||     (mouseX >boxRight)     || (mouseY < boxTop) || (mouseY > boxBottom)) {
			oDv.style.visibility='hidden';
			curBoxElem=null;
		}	
	}

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

	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))) {
			oDv.style.visibility='hidden';
			boxMove=true;
			curBoxElem=null;
		}
	}
}