function stripeTables() {
	if(!document.getElementsByTagName) return false;
	var tables = document.getElementsByTagName("table");
	for(var i=0; i<tables.length; i++) {
		var odd = false;
		var rows = tables[i].getElementsByTagName("tr");
		for(var j=0; j<rows.length; j++) {
			if(odd == true) {
				addClass(rows[j], "rowhigh");
				odd = false;
			} else {
				odd = true;	
			}
		}
	}
}

function addClass(element,name) {
	if (!element.className) {
		element.className = name;
	} else {
		element.className+= " ";
		element.className+= name;
	}
}

addLoadEvent(stripeTables);