function striper(parentElementTag, parentElementClass, childElementTag, styleClasses)
{
	var i=0,currentParent,currentChild;
	if ((document.getElementsByTagName)&&(parentElementTag)&&(childElementTag)&&(styleClasses)) {
		var styles = styleClasses.split(',');
		var parentItems = document.getElementsByTagName(parentElementTag);
		while (currentParent = parentItems[i++]) {
			if ((parentElementClass == null)||(currentParent.className == parentElementClass)) {
				var j=0,k=0;
				var childItems = currentParent.getElementsByTagName(childElementTag);
				while (currentChild = childItems[j++]) {
					k = (j+(styles.length-1)) % styles.length;
					currentChild.className = currentChild.className+" "+styles[k];
				}
			}
		}
	}
}