$(document).ready( function() {
							
	$(".r1").hover(function(){
		$("#r1").css("background","#fff url(common/img/tr_bck.gif)"); 
	},function(){
		$("#r1").css("background","#fff"); 
	});
	$(".r2").hover(function(){
		$("#r2").css("background","#fff url(common/img/tr_bck.gif)"); 
	},function(){
		$("#r2").css("background","#fff"); 
	});
	$(".r3").hover(function(){
		$("#r3").css("background","#fff url(common/img/tr_bck.gif)"); 
	},function(){
		$("#r3").css("background","#fff"); 
	});
	$(".r4").hover(function(){
		$("#r4").css("background","#fff url(common/img/tr_bck.gif)"); 
	},function(){
		$("#r4").css("background","#fff"); 
	});
	$(".r5").hover(function(){
		$("#r5").css("background","#fff url(common/img/tr_bck.gif)"); 
	},function(){
		$("#r5").css("background","#fff"); 
	});
	$(".r6").hover(function(){
		$("#r6").css("background","#fff url(common/img/tr_bck.gif)"); 
	},function(){
		$("#r6").css("background","#fff"); 
	});

	$(".r7").hover(function(){
		$("#r7").css("background","#fff url(common/img/tr_bck.gif)"); 
	},function(){
		$("#r7").css("background","#fff"); 
	});

	$(".r8").hover(function(){
		$("#r8").css("background","#fff url(common/img/tr_bck.gif)"); 
	},function(){
		$("#r8").css("background","#fff"); 
	});


});