conf = {

       className : 'btn',

       postfix : '_on'

};

function setMouseOverImages() {

       $A(document.getElementsByClassName(conf.className)).each(function (node){

               node.onmouseout = changeSrcFunction(node.src);

               node.onmouseover =

			    changeSrcFunction(node.src.replace(/(\.gif|\.jpg|\.png)/, conf.postfix+"$1"));

       });

}

function changeSrcFunction(data){

       return function(){ this.src = data; }

}

Event.observe(window, 'load', setMouseOverImages, false);





conf1 = {

	className : "stripedtable",

	oddlineClassName : "oddline",

	evenlineClassName : "evenline"

}



function setStripedTable(){

	var tables = $A(document.getElementsByClassName(conf1.className));

	tables.each(function (table){

		var lines = $A(table.getElementsByTagName("tr"));

		var row=0;

		lines.each(function (tr){

			row++;

			if(row%2==1) {

				tr.className = conf1.oddlineClassName;

			} else {

				tr.className = conf1.evenlineClassName;

			}

		});

	});

}

Event.observe(window, 'load', setStripedTable, false);