/* --- 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='150px';
          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='150px';
          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) {
            if (checkElemBO(curNode.title)) {
           curNode.boHDR=getParam('header',curNode.title);
           curNode.boBDY=getParam('body',curNode.title);
                          curNode.boCSSBDY=getParam('cssbody',curNode.title);                        
                          curNode.boCSSHDR=getParam('cssheader',curNode.title);
                          curNode.IEbugfix=(getParam('hideselects',curNode.title)=='on')?true:false;
                          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;
                          curNode.fade=(getParam('fade',curNode.title)=='on')?true:false;
                          curNode.fadespeed=(getParam('fadespeed',curNode.title)!='')?getParam('fadespeed',curNode.title):0.04;
                          curNode.delay=(getParam('delay',curNode.title)!='')?parseInt(getParam('delay',curNode.title)):0;
                          if (getParam('requireclick',curNode.title)=='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',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=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 (param != "body")
          {
          if(res)
                  return res[2].replace('[[','[').replace(']]',']');
          else
                  return '';
                  }
                  else
                  {
                      if (res)
                      {
                      kink = mousebox(res[2].replace('[[','[').replace(']]',']'));
                          return kink;
                          }
                  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';
     }
  }