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§ Table row hover highlight

A bit of javascript to highlight the table row under the cursor.

 


function removeName(el, name) {
  //don't waste time
  if(el.className.indexOf(name)<0)
    return;
  var i, curList, newList;
  // Remove the given class name from the element's className property.
  newList = new Array();
  curList = el.className.split(" ");
  for (i = 0; i < curList.length; i++)
    if (curList[i] != name)
      newList.push(curList[i]);
  el.className = newList.join(" ");
}
function trMouseover() {
  this.className+=' resultrowhighlight';
}
function trMouseout() {
  removeName(this,'resultrowhighlight');
}
function addTrMouseEvents() {
  var trlist=document.getElementsByTagName("tr");
  for(var i=0;i<trlist.length;i++) {
    if(trlist[i].className.indexOf('resultrow')>-1) {
      trlist[i].onmouseover=trMouseover;
      trlist[i].onmouseout=trMouseout;
    }
  }
}
function makeDoubleDelegate(function1, function2) {
  return function() {
    if (function1)
      function1();
    if (function2)
      function2();
  }
}
window.onload = makeDoubleDelegate(window.onload, addTrMouseEvents );
 

 

last edited on January 29th, 2009 at 1:33 PM

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