// Global variables
var doTip=0;
var timerTip;

function hilite(theElem) {
  if (isDrag) return;
  if (typeof(theElem)=='string') theElem=document.getElementById(theElem);
  if (!theElem) return;
  if (isSelected(theElem)) theElem.mcselected=1;
  theElem.mchilite=1;
  theElem.className=setSuffix(theElem.className,'_h');
  theElem.style.cursor='pointer';
}
function unhilite(theElem) {
  if (isDrag) return;
  if (typeof(theElem)=='string') theElem=document.getElementById(theElem);
  if (!theElem) return;
  theElem.mchilite=0;
  if (theElem.mcselected) theElem.className=setSuffix(theElem.className,'_s');
  else theElem.className=setSuffix(theElem.className,'');
  theElem.style.cursor='pointer';
}
function isHilited(theElem) {
  if (typeof(theElem)=='string') theElem=document.getElementById(theElem);
  if (!theElem) return(false);
  if (theElem.className.match('_h')) { return(true); }
  return(false);
}
function isHilitedByProperty(theElem) {
  if (typeof(theElem)=='string') theElem=document.getElementById(theElem);
  if (!theElem) return(false);
  if (typeof(theElem.mchilite)=='undefined')
    return(false);
  else
    return(theElem.mchilite);
}

function selected(theElem) {
  if (typeof(theElem)=='string') theElem=document.getElementById(theElem);
  if (!theElem) return;
  if (isHilited(theElem)) theElem.mchilite=1;
  theElem.mcselected=1;
  theElem.className=setSuffix(theElem.className,'_s');
  theElem.style.cursor='pointer';
}
function unselected(theElem) {
  if (typeof(theElem)=='string') theElem=document.getElementById(theElem);
  if (!theElem) return;
  theElem.mcselected=0;
  if (theElem.mchilite) theElem.className=setSuffix(theElem.className,'_h');
  else theElem.className=setSuffix(theElem.className,'');
  theElem.style.cursor='pointer';
}
function isSelected(theElem) {
  if (typeof(theElem)=='string') theElem=document.getElementById(theElem);
  if (!theElem) return(false);
  if (theElem.className.match('_s')) { return(true); }
  return(false);
}
function isSelectedByProperty(theElem) {
  if (typeof(theElem)=='string') theElem=document.getElementById(theElem);
  if (!theElem) return(false);
  if (typeof(theElem.mcselected)=='undefined')
    return(false);
  else
    return(theElem.mcselected);
}

function hover(theElem) {
  if (typeof(theElem)=='string') theElem=document.getElementById(theElem);
  if (!theElem) return;
  theElem.mccolor=theElem.style.color;
  theElem.style.color='red';
  theElem.style.cursor='pointer';
}
function unhover(theElem) {
  if (typeof(theElem)=='string') theElem=document.getElementById(theElem);
  if (!theElem) return;
  theElem.style.color=theElem.mccolor;
  theElem.style.cursor='pointer';
}

function setCursor(name) {
  document.body.style.cursor=name;
}
function unsetCursor() {
  document.body.style.cursor=defCursor;
}

function setSuffix(name,suffix) {
  name=name.replace('_s','');
  name=name.replace('_h','');
  return(name+suffix);
}

function setEnabled(theElem) {
  if (typeof(theElem)=='string') theElem=document.getElementById(theElem);
  if (!theElem) return;
  if (theElem.id=='BUT_search') theElem.className='buttonitem';
  else theElem.className=null;
  theElem.disabled=false;
}
function setDisabled(theElem) {
  if (typeof(theElem)=='string') theElem=document.getElementById(theElem);
  if (!theElem) return;
  if (theElem.id=='BUT_search') theElem.className='buttonitemd';
  else theElem.className='disabled';
  theElem.disabled=true;
}
function isEnabled(theElem) {
  if (typeof(theElem)=='string') theElem=document.getElementById(theElem);
  if (!theElem) return(false);
  if (theElem.id=='BUT_search') {
    if (theElem.className.match(/^buttonitemd/)) return(false);
    else return(true);
  }
  else {
    if (theElem.className=='disabled') return(false);
    else return(true);
  }
}

// Fix existing shadow divs (by classname)
function fixShadow() {
  if (!isNetscape && !isSafari) return;
  fixHideShadow();
  setTimeout('fixShowShadow()',100);
}
function fixHideShadow() {
  var divs=document.getElementsByTagName("div");
  for (var i=0; i<divs.length; i++) {
    if (divs[i].className.match(/^shadow/))
      divs[i].style.display='none';
  }
}
function fixShowShadow() {
  var divs=document.getElementsByTagName("div");
  for (var i=0; i<divs.length; i++) {
    if (divs[i].className.match(/^shadow/))
      divs[i].style.display='block';
  }
}

// Set the menu div shadow
function addShadow(theElem) {
  return;
  if (typeof(theElem)=='string') theElem=document.getElementById(theElem);
  var theShadow = document.createElement("table");
  theShadow.id = theElem.id+'_shadow';
  theShadow.className = 'unbordered';
  theShadow.style.position = 'fixed';
  theShadow.style.left = getLeft(theElem) + 'px';
  theShadow.style.top = getTop(theElem) + 'px';
  theShadow.style.height = getHeight(theElem) + 8 + 'px';
  theShadow.style.width = getWidth(theElem) + 8 + 'px';
  theShadow.style.zIndex = '20';

  // Build the top row
  var topRow = document.createElement("tr");
  var topl = document.createElement("td");
  topl.className = 'shadow';
  topl.innerHTML = '&nbsp;';
  topRow.appendChild(topl);
  var topm = document.createElement("td");
  topm.className = 'shadow';
  topm.innerHTML = '&nbsp;';
  topRow.appendChild(topm);
  var topr = document.createElement("td");
  topr.className = 'shadow';
  topr.innerHTML = '&nbsp;';
  topr.style.width = '8px'
  topr.style.backgroundImage = 'url("inc/right.png")';
  topr.style.backgroundRepeat = 'repeat-y';
  topRow.appendChild(topr);

  // Build the bottom row
  var bottomRow = document.createElement("tr");
  var bottoml = document.createElement("td");
  bottoml.className = 'shadow';
  bottoml.innerHTML = '&nbsp;';
  bottoml.style.width = '8px'
  bottoml.style.backgroundImage = 'url("inc/bottoml.png")';
  bottomRow.appendChild(bottoml);
  var bottomm = document.createElement("td");
  bottomm.className = 'shadow';
  bottomm.innerHTML = '&nbsp;';
  bottomm.style.height = '8px'
  bottomm.style.backgroundImage = 'url("inc/bottom.png")';
  bottomm.style.backgroundRepeat = 'repeat-x';
  bottomRow.appendChild(bottomm);
  var bottomr = document.createElement("td");
  bottomr.className = 'shadow';
  bottomr.innerHTML = '&nbsp;';
  bottomr.style.backgroundImage = 'url("inc/bottomr.png")';
  bottomRow.appendChild(bottomr);

  theShadow.appendChild(topRow);
  theShadow.appendChild(bottomRow);
  document.body.appendChild(theShadow);
}
function removeShadow(theElem) {
  if (typeof(theElem)=='string') theElem=document.getElementById(theElem);
  var theShadow = document.getElementById(theElem.id+'_shadow');
  if (theShadow != null) document.body.removeChild(theShadow);
}

// setColumnVisibility and setRowVisibility were heavily influenced by:
// http://www.gtalbot.org/DHTMLSection/TableRowColumnCollapse.html
function setColumnVisibility(table, column, vis) {
  if (navigator.product == "Gecko" &&
      navigator.productSub &&
      navigator.productSub > "20041010" &&
      (navigator.userAgent.indexOf("rv:1.8") != -1 ||
       navigator.userAgent.indexOf("rv:1.9") != -1)
     ) {
    // Mozilla 1.8alpha; see bug 76497 and bug 242368; must be higher than 1.7.x
    var ColumnCollection = table.getElementsByTagName("col");
    ColumnCollection[column].style.visibility = vis;
  }
  else if (document.all &&
           !window.opera &&
           document.compatMode &&
           document.compatMode == "CSS1Compat") {
    var ColumnCollection = table.getElementsByTagName("col");
    if (vis == "visible") {
      ColumnCollection[column].style.display = "block";
    }
    else if (vis == "collapse") {
      ColumnCollection[column].style.display = "none";
    }
  }
  else if (document.addEventListener) {
    // Mozilla and Opera 7.x
//    var TDCollection = table.getElementsByTagName("td");
//    for (var CellIterator = column; CellIterator < TDCollection.length; CellIterator += table.rows.length) {
//      if (vis == "visible") {
//        TDCollection[CellIterator].style.display = "table-cell";
//      }
//      else if (vis == "collapse") {
//        TDCollection[CellIterator].style.display = "none";
//      }
//    }
    var TRCollection = table.getElementsByTagName("tr");
    for (var RowIterator = 0; RowIterator < TRCollection.length; RowIterator++) {
      if (vis == "visible") {
        TRCollection[RowIterator].childNodes[column].style.display = "table-cell";
      }
      else if (vis == "collapse") {
        TRCollection[RowIterator].childNodes[column].style.display = "none";
      }
    }
  }
}
function setRowVisibility(table, row, vis) {
  if (navigator.product == "Gecko" &&
      navigator.productSub &&
      navigator.productSub > "20041010" &&
      (navigator.userAgent.indexOf("rv:1.8") != -1 ||
       navigator.userAgent.indexOf("rv:1.9") != -1)
     ) {
    table.rows[row].style.visibility = vis;
  }
  else if (vis == "visible") {
    if (document.all &&
        document.compatMode &&
        document.compatMode == "CSS1Compat" &&
        !window.opera) {
      table.rows[row].style.display = "block";
    }
    else if (document.getElementById && table.rows) {
      table.rows[row].style.display = "table-row";
    }
  }
  else if (vis == "collapse") {
    table.rows[row].style.display = "none";
  }
}

function handleKey(e) {
  if (getCookie('keyboard')==2) return;
  var targ;
  if (!e) var e = window.event;
  e.cancelBubble = true;
  if (e.stopPropagation) e.stopPropagation();
  if (e.target) targ = e.target;
  else if (e.srcElement) targ = e.srcElement;
  if (targ.nodeType == 3) targ = targ.parentNode; // defeat Safari bug
  if (targ.type == 'text' ||
      targ.type == 'textarea' ||
      targ.type == 'password' ||
      targ.type == 'select-one' ||
      targ.type == 'select-multiple') {
    return(false);
  }
  var code = 0;
  if (e.keyCode) code = e.keyCode;
  else if (e.which) code = e.which;
  else code = e.charCode;
  code = fixCode(code);
  switch (code) {
  case 83: // s
    toggleSearch();
    break;
  case 80: // p
    togglePrefs();
    break;
  case 68: // d
    toggleDebug();
    break;
  case 67: // c
    toggleCollapse();
    break;
  case 69: // e
    toggleExpand();
    break;
  case 72: // h
    toggleHelp();
    break;
  case 82: // r
    reloadSearch();
    break;
  case 33: // pgup
    lastScroll=getScrollTop();
    procScroll=1;
    break;
  case 34: // pgdown
    lastScroll=getScrollTop();
    procScroll=1;
    break;
  }
}

// Fix for browsers (I'm looking at you, Safari) that send weird keycodes
function fixCode(code) {
  switch (code) {
    case 63232: return 38; break;
    case 63233: return 40; break;
    case 63234: return 37; break;
    case 63235: return 39; break;
    case 63273: return 36; break;
    case 63275: return 35; break;
    case 63276: return 33; break;
    case 63277: return 34; break;
  }
  return code;
}