/* --- 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=0;

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='400px';

   dvHdr.style.fontFamily='Verdana, Helvetica, Arial, sans-serif';

   dvHdr.style.border='1px solid #ccc';

   dvHdr.style.padding='3';

   dvHdr.style.fontSize='12';

   dvHdr.style.color='#000';

   dvHdr.style.background='#ebebeb';

   dvHdr.style.filter='alpha(opacity=95)'; // IE

   dvHdr.style.opacity='0.95'; // FF

   dvHdr.style.textAlign='left';

}



function defBdyStyle() {

   dvBdy.style.borderBottom='1px solid #ccc';

   dvBdy.style.borderLeft='1px solid #ccc';

   dvBdy.style.borderRight='1px solid #ccc';

   dvBdy.style.width='400px';

   dvBdy.style.fontFamily='Verdana, Helvetica, Arial, sans-serif';

   dvBdy.style.fontSize='13';

   dvBdy.style.padding='3';

   dvBdy.style.color='#000';

   dvBdy.style.background='#f3f3f3';

   dvBdy.style.filter='alpha(opacity=95)'; // IE

   dvBdy.style.opacity='0.95'; // FF

   dvBdy.style.overflow='hidden';

   dvBdy.style.textAlign='left';

}



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(/\[\[/g,'[').replace(/\]\]/g,']');

   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';

   }

}