/* --- 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:left"  src="info.gif">&nbsp;&nbsp;'+dvHdr.innerHTML;
       dvHdr.style.fontWeight='bold';
       dvHdr.style.width='700px';
       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=100)'; // IE
       dvHdr.style.opacity='1'; // FF
}

function defBdyStyle() {
       dvBdy.style.borderBottom='1px solid #A5CFE9';
       dvBdy.style.borderLeft='1px solid #A5CFE9';
       dvBdy.style.borderRight='1px solid #A5CFE9';
       dvBdy.style.width='700px';
       dvBdy.style.fontFamily='verdana';
       dvBdy.style.fontSize='11';
       dvBdy.style.padding='3';
       dvBdy.style.color='#1B4966';
       dvBdy.style.background='#FFFFFF';
       dvBdy.style.filter='alpha(opacity=100)'; // IE
       dvBdy.style.opacity='1'; // 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(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';
   }
}