function stripe() {
  	var table = document.getElementsByTagName("table");
  	
  	for (j=0; j<table.length; j++) {
  		if (table[j].className.indexOf('stripe') != -1) {
  		
			var tbody = table[j].getElementsByTagName("tbody");
			
			for (var h = 0; h < tbody.length; h++) {
			  var even = true;
			  var trs = tbody[h].getElementsByTagName("tr");
			  
			  for (var i = 0; i < trs.length; i++) {
				trs[i].onmouseover=function(){
				  this.className += " ruled"; return false
				}
				trs[i].onmouseout=function(){
				  this.className = this.className.replace("ruled", ""); return false
				}
				
				if(even)
				  trs[i].className += " even";
				
				even = !even;
			  }
			}
		}
	}
  }