var stripe = function() {
		var tables = document.getElementsByTagName("table");	

		for(var x=0;x!=tables.length;x++){
			var table = tables[x];
			if (! table) { return; }
			
			var tbodies = table.getElementsByTagName("tbody");
			
			for (var h = 0; h < tbodies.length; h++) {
				var even = true;
				var trs = tbodies[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;
				}
			}
		}
	}
	window.onload = stripe;