$(function(){

	//main_image rollover
	$(".main_blog").mouseover(function(){
		$("#main_img_area").attr("src","common/img/home/main_blog.jpg")
	}).mouseout(function(){
		$("#main_img_area").attr("src","common/img/home/main.jpg");
	}).each(function(){
		$("<img>").attr("src","common/img/home/main_blog.jpg")
	})

	$(".main_qa").mouseover(function(){
		$("#main_img_area").attr("src","common/img/home/main_qa.jpg")
	}).mouseout(function(){
		$("#main_img_area").attr("src","common/img/home/main.jpg");
	}).each(function(){
		$("<img>").attr("src","common/img/home/main_qa.jpg")
	})

	$(".main_voice").mouseover(function(){
		$("#main_img_area").attr("src","common/img/home/main_voice.jpg")
	}).mouseout(function(){
		$("#main_img_area").attr("src","common/img/home/main.jpg");
	}).each(function(){
		$("<img>").attr("src","common/img/home/main_voice.jpg")
	})


	//voice scroller
	$("#scroller").simplyScroll({
		autoMode: 'loop',
		frameRate: '36'
	});
});