/* --- BoxOver ---
/* --- v 1.51 25th July 2005
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) ;
}

/* --- 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='150px';
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='150px';
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 checkElemBO(txt) {
if ((txt.indexOf('header')>-1)&(txt.indexOf('body')>-1)&(txt.indexOf('[')>-1)&(txt.indexOf('[')>-1))
return true;
else
return false;
}

function scanDOM(curNode) {
cnt++;
while(curNode) {
if (curNode.title) {
if (checkElemBO(curNode.title)) {
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) { 
        try {
            scanDOM(document.body.firstChild);
            ini=true;
        }
        catch (e)
        {

        }
}
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;
// This does an additional check to see that everything was initiliased properly.
if (curSrcElem.boxItem.title)
if (checkElemBO(curSrcElem.boxItem.title)) { 
ini=false;
}
if (curSrcElem.boxItem&&curSrcElem.boxItem.hasbox) {
lastBoxElem=curBoxElem;
curBoxElem=iterElem;
if (curBoxElem!=lastBoxElem) {
applyStyles();
oDv.style.visibility='visible';
hideSelects();
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'; 
showSelects();
}
}
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) {
// 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 ((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: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)) {
oDv.style.visibility='hidden';
showSelects();
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';
showSelects();
boxMove=true;
curBoxElem=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';
}
}