// this function is needed to work around 
  // a bug in IE related to element attributes
  function hasClass(obj) {
     var result = false;
     if (obj.getAttributeNode("class") != null) {
         result = obj.getAttributeNode("class").value;
     }
     return result;
  }   

 function stripe() {

    // the flag we'll use to keep track of 
    // whether the current row is odd or even
    var even = false;
  
    // if arguments are provided to specify the colours
    // of the even & odd rows, then use the them;
    // otherwise use the following defaults:
    var evenColor = arguments[1] ? arguments[1] : "#fff";
    var oddColor = arguments[2] ? arguments[2] : "#eee";
  
    // obtain a reference to the desired table
    // if no such table exists, abort
    //var table = document.getElementById(id);
    var tables = document.getElementsByClassName('tabula');
    if (! tables) { return; }

    //debugOut(tables.length);
    for (var tableIndex=0;tableIndex<tables.length; tableIndex++){
    	even = false;
    	table=tables[tableIndex];
	    // by definition, tables can have more than one tbody
	    // element, so we'll have to get the list of child
	    // &lt;tbody&gt;s 
	    var tbodies = table.getElementsByTagName("tbody");
	
	    // and iterate through them...
	    for (var h = 0; h < tbodies.length; h++) {
	    
	     // find all the &lt;tr&gt; elements... 
	      var trs = tbodies[h].getElementsByTagName("tr");
	      
	      // ... and iterate through them
	      for (var i = 0; i < trs.length; i++) {
	
	        // avoid rows that have a class attribute
	        // or backgroundColor style
	        if (! hasClass(trs[i]) &&
	            ! trs[i].style.backgroundColor) {
	 		  
	          // get all the cells in this row...
	          var tds = trs[i].getElementsByTagName("td");
	        
	          // and iterate through them...
	          for (var j = 0; j < tds.length; j++) {
	        
	            var mytd = tds[j];
	
	            // avoid cells that have a class attribute
	            // or backgroundColor style
	            if (! hasClass(mytd) &&
	                ! mytd.style.backgroundColor) {
	        
	             /* mytd.style.backgroundColor =
	                even ? evenColor : oddColor;
	                */
	            	mytd.className = even ? 'evenRow' : 'oddRow';
	            }
	          }
	          if(tds.length>0){
	          	even =  ! even;
	          }
	        }else{
	        	even =  ! even;
	        }
	        // flip from odd to even, or vice-versa
	        
	      }
	    }
    }
  }