// JavaScript Document
function rollover(){
var table_pippo = document.getElementsByTagName('table');
for (var x=0;x<table_pippo.length;x++){
 var tab1 = table_pippo[x];
 if (tab1.getAttribute('id') == 'over'){
   var rows = tab1.rows;
   for (var r=0; r<rows.length; r++){
    var cells = rows[r].cells;
    for (var i = 0; i < cells.length; i++) {
   cells[i].onmouseover = function() {
     this.className += ' over';
    window.status = 'class = '+this.className;
   }
   cells[i].onmouseout = function() {
    this.className = this.className.replace('over', '');
   }
  }    
    } 
 }
}
}