function navShow(nodi){

           nodi.className = "hoverk";


   }

 function navHide(nodi){

           nodi.className = "backi"; 
  }







function containsDOM (container, containee) {
  var isParent = false;
  do {
    if ((isParent = container == containee))
      break;
    containee = containee.parentNode;
  }
  while (containee != null);
  return isParent;
}

function checkMouseEnter (element, evt) {
  if (element.contains && evt.toElement) {
    return !element.contains(evt.toElement);
  }
  else if (evt.relatedTarget) {
    return !containsDOM(element, evt.relatedTarget);
  }
}

function checkMouseLeave (element, evt) {
  if (element.contains && evt.toElement) {
    return !element.contains(evt.toElement);
  }
  else if (evt.relatedTarget) {
    return !containsDOM(element, evt.relatedTarget);
  }
}



function browserWindowSize() {
var browserWinWidth = 0, browserWinHeight = 0;
if( typeof( window.innerWidth ) == 'number' ) {
//Non-IE
browserWinWidth = window.innerWidth;
browserWinHeight = window.innerHeight;
} else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
//IE 6+ in 'standards compliant mode'
browserWinWidth = document.documentElement.clientWidth;
browserWinHeight = document.documentElement.clientHeight;
} else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
//IE 4 compatible
browserWinWidth = document.body.clientWidth;
browserWinHeight = document.body.clientHeight;
}
a = new Array();
a[0] = browserWinWidth;
a[1] = browserWinHeight;

return a;
}