//SOLO MODIFICAR xTableCellCursor con ID de tabla + estilo
//JUST MODIFY xTableCellCursor with table ID + style
xAddEventListener(window, 'load',
  function() {
    window.xtc = new xTableCellCursor('mainMenu', 'mainMenuBgOver');
  }, false
);
xAddEventListener(window, 'unload',
  function() {
    if (window.xtc) xtc.unload();
  }, false
);

function xTableCellCursor(tblId, cellStyle) // object prototype
{
  xTableIterate(tblId, function(obj, isRow) { if (!isRow) { obj.onmouseover = tdOver; obj.onmouseout = tdOut; }});
  function tdOver() { xAddClass(this, cellStyle); }
  function tdOut() { xRemoveClass(this, cellStyle); }
  this.unload = function() { xTableIterate(tblId, function(o) { o.onmouseover = o.onmouseout = null; }); };
}

// xTableIterate r1, Copyright 2004-2007 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xTableIterate(sec, fnCallback, data)
{
  var r, c;
  sec = xGetElementById(sec);
  if (!sec || !fnCallback) { return; }
  for (r = 0; r < sec.rows.length; ++r) {
    if (false == fnCallback(sec.rows[r], true, r, c, data)) { return; }
    for (c = 0; c < sec.rows[r].cells.length; ++c) {
      if (false == fnCallback(sec.rows[r].cells[c], false, r, c, data)) { return; }
    }
  }
}

// xAddClass r3, Copyright 2005-2007 Daniel Frechette - modified by Mike Foster
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xAddClass(e, c)
{
  if ((e=xGetElementById(e))!=null) {
    var s = '';
    if (e.className.length && e.className.charAt(e.className.length - 1) != ' ') {
      s = ' ';
    }
    if (!xHasClass(e, c)) {
      e.className += s + c;
      return true;
    }
  }
  return false;
}
// xRemoveClass r3, Copyright 2005-2007 Daniel Frechette - modified by Mike Foster
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xRemoveClass(e, c)
{
  if(!(e=xGetElementById(e))) return false;
  e.className = e.className.replace(new RegExp("(^|\\s)"+c+"(\\s|$)",'g'),
    function(str, p1, p2) { return (p1 == ' ' && p2 == ' ') ? ' ' : ''; }
  );
  return true;
}
// xHasClass r3, Copyright 2005-2007 Daniel Frechette - modified by Mike Foster
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xHasClass(e, c)
{
  e = xGetElementById(e);
  if (!e || e.className=='') return false;
  var re = new RegExp("(^|\\s)"+c+"(\\s|$)");
  return re.test(e.className);
}
// xGetElementById r2, Copyright 2001-2007 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xGetElementById(e)
{
  if(typeof(e)=='string') {
    if(document.getElementById) e=document.getElementById(e);
    else if(document.all) e=document.all[e];
    else e=null;
  }
  return e;
}
/* Compiled from X 4.13 with XC 1.03 on 27Apr07 */
function xEvent(evt){var e=evt||window.event;if(!e)return;if(e.type)this.type=e.type;if(e.target)this.target=e.target;else if(e.srcElement)this.target=e.srcElement;if(e.relatedTarget)this.relatedTarget=e.relatedTarget;else if(e.type=='mouseover'&&e.fromElement)this.relatedTarget=e.fromElement;else if(e.type=='mouseout')this.relatedTarget=e.toElement;if(xDef(e.pageX,e.pageY)){this.pageX=e.pageX;this.pageY=e.pageY;}else if(xDef(e.clientX,e.clientY)){this.pageX=e.clientX+xScrollLeft();this.pageY=e.clientY+xScrollTop();}if(xDef(e.offsetX,e.offsetY)){this.offsetX=e.offsetX;this.offsetY=e.offsetY;}else if(xDef(e.layerX,e.layerY)){this.offsetX=e.layerX;this.offsetY=e.layerY;}else{this.offsetX=this.pageX-xPageX(this.target);this.offsetY=this.pageY-xPageY(this.target);}this.keyCode=e.keyCode||e.which||0;this.shiftKey=e.shiftKey;this.ctrlKey=e.ctrlKey;this.altKey=e.altKey;this.button=null;if(e.type.indexOf('click')!=-1)this.button=0;else if(e.type.indexOf('mouse')!=-1){var ie=0,v=navigator.vendor;/*@cc_on ie=1;@*/if(ie||(v&&v.indexOf('Apple')!=-1)){if(e.button&1)this.button=0;else if(e.button&2)this.button=2;else if(e.button&4)this.button=1;}else this.button=e.button;}}xLibrary={version:'4.13',license:'GNU LGPL',url:'http://cross-browser.com/'};function xAddEventListener(e,eT,eL,cap){if(!(e=xGetElementById(e)))return;eT=eT.toLowerCase();if(e.addEventListener)e.addEventListener(eT,eL,cap||false);else if(e.attachEvent)e.attachEvent('on'+eT,eL);else{var o=e['on'+eT];e['on'+eT]=typeof o=='function'?function(v){o(v);eL(v);}:eL;}}function xPreventDefault(e){if(e&&e.preventDefault)e.preventDefault();else if(window.event)window.event.returnValue=false;}function xRemoveEventListener(e,eT,eL,cap){if(!(e=xGetElementById(e)))return;eT=eT.toLowerCase();if(e.removeEventListener)e.removeEventListener(eT,eL,cap||false);else if(e.detachEvent)e.detachEvent('on'+eT,eL);else e['on'+eT]=null;}function xStopPropagation(evt){if(evt&&evt.stopPropagation)evt.stopPropagation();else if(window.event)window.event.cancelBubble=true;}

/* Compiled from X 4.13 with XC 1.03 on 27Apr07 */
xLibrary={version:'4.13',license:'GNU LGPL',url:'http://cross-browser.com/'};function xBackground(e,c,i){if(!(e=xGetElementById(e)))return'';var bg='';if(e.style){if(xStr(c)){e.style.backgroundColor=c;}if(xStr(i)){e.style.backgroundImage=(i!='')?'url('+i+')':null;}bg=e.style.backgroundColor;}return bg;}function xCamelize(cssPropStr){var i,c,a=cssPropStr.split('-');var s=a[0];for(i=1;i<a.length;++i){c=a[i].charAt(0);s+=a[i].replace(c,c.toUpperCase());}return s;}function xClientHeight(){var v=0,d=document,w=window;if(d.compatMode=='CSS1Compat'&&!w.opera&&d.documentElement&&d.documentElement.clientHeight){v=d.documentElement.clientHeight;}else if(d.body&&d.body.clientHeight){v=d.body.clientHeight;}else if(xDef(w.innerWidth,w.innerHeight,d.width)){v=w.innerHeight;if(d.width>w.innerWidth)v-=16;}return v;}function xClientWidth(){var v=0,d=document,w=window;if(d.compatMode=='CSS1Compat'&&!w.opera&&d.documentElement&&d.documentElement.clientWidth){v=d.documentElement.clientWidth;}else if(d.body&&d.body.clientWidth){v=d.body.clientWidth;}else if(xDef(w.innerWidth,w.innerHeight,d.height)){v=w.innerWidth;if(d.height>w.innerHeight)v-=16;}return v;}function xClip(e,t,r,b,l){if(!(e=xGetElementById(e)))return;if(e.style){if(xNum(l))e.style.clip='rect('+t+'px '+r+'px '+b+'px '+l+'px)';else e.style.clip='rect(0 '+parseInt(e.style.width)+'px '+parseInt(e.style.height)+'px 0)';}}function xColor(e,s){if(!(e=xGetElementById(e)))return'';var c='';if(e.style&&xDef(e.style.color)){if(xStr(s))e.style.color=s;c=e.style.color;}return c;}function xDef(){for(var i=0;i<arguments.length;++i){if(typeof(arguments[i])=='undefined')return false;}return true;}function xDisplay(e,s){if((e=xGetElementById(e))&&e.style&&xDef(e.style.display)){if(xStr(s)){try{e.style.display=s;}catch(ex){e.style.display='';}}return e.style.display;}return null;}function xGetComputedStyle(e,p,i){if(!(e=xGetElementById(e)))return null;var s,v='undefined',dv=document.defaultView;if(dv&&dv.getComputedStyle){s=dv.getComputedStyle(e,'');if(s)v=s.getPropertyValue(p);}else if(e.currentStyle){v=e.currentStyle[xCamelize(p)];}else return null;return i?(parseInt(v)||0):v;}function xGetElementById(e){if(typeof(e)=='string'){if(document.getElementById)e=document.getElementById(e);else if(document.all)e=document.all[e];else e=null;}return e;}function xGetElementsByTagName(t,p){var list=null;t=t||'*';p=p||document;if(typeof p.getElementsByTagName!='undefined'){list=p.getElementsByTagName(t);if(t=='*'&&(!list||!list.length))list=p.all;}else{if(t=='*')list=p.all;else if(p.all&&p.all.tags)list=p.all.tags(t);}return list||new Array();}function xHasPoint(e,x,y,t,r,b,l){if(!xNum(t)){t=r=b=l=0;}else if(!xNum(r)){r=b=l=t;}else if(!xNum(b)){l=r;b=t;}var eX=xPageX(e),eY=xPageY(e);return(x>=eX+l&&x<=eX+xWidth(e)-r&&y>=eY+t&&y<=eY+xHeight(e)-b);}function xHeight(e,h){if(!(e=xGetElementById(e)))return 0;if(xNum(h)){if(h<0)h=0;else h=Math.round(h);}else h=-1;var css=xDef(e.style);if(e==document||e.tagName.toLowerCase()=='html'||e.tagName.toLowerCase()=='body'){h=xClientHeight();}else if(css&&xDef(e.offsetHeight)&&xStr(e.style.height)){if(h>=0){var pt=0,pb=0,bt=0,bb=0;if(document.compatMode=='CSS1Compat'){var gcs=xGetComputedStyle;pt=gcs(e,'padding-top',1);if(pt!==null){pb=gcs(e,'padding-bottom',1);bt=gcs(e,'border-top-width',1);bb=gcs(e,'border-bottom-width',1);}else if(xDef(e.offsetHeight,e.style.height)){e.style.height=h+'px';pt=e.offsetHeight-h;}}h-=(pt+pb+bt+bb);if(isNaN(h)||h<0)return;else e.style.height=h+'px';}h=e.offsetHeight;}else if(css&&xDef(e.style.pixelHeight)){if(h>=0)e.style.pixelHeight=h;h=e.style.pixelHeight;}return h;}function xHide(e){return xVisibility(e,0);}function xLeft(e,iX){if(!(e=xGetElementById(e)))return 0;var css=xDef(e.style);if(css&&xStr(e.style.left)){if(xNum(iX))e.style.left=iX+'px';else{iX=parseInt(e.style.left);if(isNaN(iX))iX=xGetComputedStyle(e,'left',1);if(isNaN(iX))iX=0;}}else if(css&&xDef(e.style.pixelLeft)){if(xNum(iX))e.style.pixelLeft=iX;else iX=e.style.pixelLeft;}return iX;}function xMoveTo(e,x,y){xLeft(e,x);xTop(e,y);}function xNum(){for(var i=0;i<arguments.length;++i){if(isNaN(arguments[i])||typeof(arguments[i])!='number')return false;}return true;}function xOffsetLeft(e){if(!(e=xGetElementById(e)))return 0;if(xDef(e.offsetLeft))return e.offsetLeft;else return 0;}function xOffsetTop(e){if(!(e=xGetElementById(e)))return 0;if(xDef(e.offsetTop))return e.offsetTop;else return 0;}function xOpacity(e,o){var set=xDef(o);if(!(e=xGetElementById(e)))return 2;if(xStr(e.style.opacity)){if(set)e.style.opacity=o+'';else o=parseFloat(e.style.opacity);}else if(xStr(e.style.filter)){if(set)e.style.filter='alpha(opacity='+(100*o)+')';else if(e.filters&&e.filters.alpha){o=e.filters.alpha.opacity/100;}}else if(xStr(e.style.MozOpacity)){if(set)e.style.MozOpacity=o+'';else o=parseFloat(e.style.MozOpacity);}else if(xStr(e.style.KhtmlOpacity)){if(set)e.style.KhtmlOpacity=o+'';else o=parseFloat(e.style.KhtmlOpacity);}return isNaN(o)?1:o;}function xPageX(e){var x=0;e=xGetElementById(e);while(e){if(xDef(e.offsetLeft))x+=e.offsetLeft;e=xDef(e.offsetParent)?e.offsetParent:null;}return x;}function xPageY(e){var y=0;e=xGetElementById(e);while(e){if(xDef(e.offsetTop))y+=e.offsetTop;e=xDef(e.offsetParent)?e.offsetParent:null;}return y;}function xParent(e,bNode){if(!(e=xGetElementById(e)))return null;var p=null;if(!bNode&&xDef(e.offsetParent))p=e.offsetParent;else if(xDef(e.parentNode))p=e.parentNode;else if(xDef(e.parentElement))p=e.parentElement;return p;}function xResizeTo(e,w,h){xWidth(e,w);xHeight(e,h);}function xScrollLeft(e,bWin){var offset=0;if(!xDef(e)||bWin||e==document||e.tagName.toLowerCase()=='html'||e.tagName.toLowerCase()=='body'){var w=window;if(bWin&&e)w=e;if(w.document.documentElement&&w.document.documentElement.scrollLeft)offset=w.document.documentElement.scrollLeft;else if(w.document.body&&xDef(w.document.body.scrollLeft))offset=w.document.body.scrollLeft;}else{e=xGetElementById(e);if(e&&xNum(e.scrollLeft))offset=e.scrollLeft;}return offset;}function xScrollTop(e,bWin){var offset=0;if(!xDef(e)||bWin||e==document||e.tagName.toLowerCase()=='html'||e.tagName.toLowerCase()=='body'){var w=window;if(bWin&&e)w=e;if(w.document.documentElement&&w.document.documentElement.scrollTop)offset=w.document.documentElement.scrollTop;else if(w.document.body&&xDef(w.document.body.scrollTop))offset=w.document.body.scrollTop;}else{e=xGetElementById(e);if(e&&xNum(e.scrollTop))offset=e.scrollTop;}return offset;}function xShow(e){return xVisibility(e,1);}function xStr(s){for(var i=0;i<arguments.length;++i){if(typeof(arguments[i])!='string')return false;}return true;}function xTop(e,iY){if(!(e=xGetElementById(e)))return 0;var css=xDef(e.style);if(css&&xStr(e.style.top)){if(xNum(iY))e.style.top=iY+'px';else{iY=parseInt(e.style.top);if(isNaN(iY))iY=xGetComputedStyle(e,'top',1);if(isNaN(iY))iY=0;}}else if(css&&xDef(e.style.pixelTop)){if(xNum(iY))e.style.pixelTop=iY;else iY=e.style.pixelTop;}return iY;}function xVisibility(e,bShow){if(!(e=xGetElementById(e)))return null;if(e.style&&xDef(e.style.visibility)){if(xDef(bShow))e.style.visibility=bShow?'visible':'hidden';return e.style.visibility;}return null;}function xWidth(e,w){if(!(e=xGetElementById(e)))return 0;if(xNum(w)){if(w<0)w=0;else w=Math.round(w);}else w=-1;var css=xDef(e.style);if(e==document||e.tagName.toLowerCase()=='html'||e.tagName.toLowerCase()=='body'){w=xClientWidth();}else if(css&&xDef(e.offsetWidth)&&xStr(e.style.width)){if(w>=0){var pl=0,pr=0,bl=0,br=0;if(document.compatMode=='CSS1Compat'){var gcs=xGetComputedStyle;pl=gcs(e,'padding-left',1);if(pl!==null){pr=gcs(e,'padding-right',1);bl=gcs(e,'border-left-width',1);br=gcs(e,'border-right-width',1);}else if(xDef(e.offsetWidth,e.style.width)){e.style.width=w+'px';pl=e.offsetWidth-w;}}w-=(pl+pr+bl+br);if(isNaN(w)||w<0)return;else e.style.width=w+'px';}w=e.offsetWidth;}else if(css&&xDef(e.style.pixelWidth)){if(w>=0)e.style.pixelWidth=w;w=e.style.pixelWidth;}return w;}function xZIndex(e,uZ){if(!(e=xGetElementById(e)))return 0;if(e.style&&xDef(e.style.zIndex)){if(xNum(uZ))e.style.zIndex=uZ;uZ=parseInt(e.style.zIndex);}return uZ;}