window.addEvent('domready', function(){
	$$("table.hoverable tr").each(function(tr)
	{
		tr.addEvent('mouseover', function(){this.addClass("hover")})
		tr.addEvent('mouseout', function(){this.removeClass("hover")})
	})

});

window.addEvent('domready', function(){
	$$("table.hoverable2 tr").each(function(tr)
	{
		tr.addEvent('mouseover', function(){this.addClass("hover")})
		tr.addEvent('mouseout', function(){this.removeClass("hover")})
	})

});

window.addEvent('domready', function(){
	$$("table.hoverable3 tr").each(function(tr)
	{
		tr.addEvent('mouseover', function(){this.addClass("hover")})
		tr.addEvent('mouseout', function(){this.removeClass("hover")})
	})

});