// JavaScript Document
function chgAE3BgImage(item_code)
{
	switch(item_code){
		case 'a':
			document.getElementById('menu_list').style.backgroundPosition = "0 -69px";
			break;
		case 'b':
			document.getElementById('menu_list').style.backgroundPosition = "0 -138px";
			break;
		case 'c':
			document.getElementById('menu_list').style.backgroundPosition = "0 -207px";
			break;
		case 'd':
			document.getElementById('menu_list').style.backgroundPosition = "0 -276px";
			break;
		case 'e':
			document.getElementById('menu_list').style.backgroundPosition = "0 -345px";
			break;
		default:
			document.getElementById('menu_list').style.backgroundPosition = "0 0";
			break;
	}
}

function chgSDMBgImage(item_code)
{
	switch(item_code){
		case 'a':
			document.getElementById('side_menu').style.backgroundImage = "url('./imgs/index/mainmenu-main_a_over.jpg')";
			break;
		case 'b':
			document.getElementById('side_menu').style.backgroundImage = "url('./imgs/index/mainmenu-main_b_over.jpg')";
			break;
		case 'c':
			document.getElementById('side_menu').style.backgroundImage = "url('./imgs/index/mainmenu-main_c_over.jpg')";
			break;
		case 'd':
			document.getElementById('side_menu').style.backgroundImage = "url('./imgs/index/mainmenu-main_d_over.jpg')";
			break;
		case 'e':
			document.getElementById('side_menu').style.backgroundImage = "url('./imgs/index/mainmenu-main_e_over.jpg')";
			break;
		case 'f':
			document.getElementById('side_menu').style.backgroundImage = "url('./imgs/index/mainmenu-main_f_over.jpg')";
			break;
		default:
			document.getElementById('side_menu').style.backgroundImage = "url('./imgs/index/mainmenu.jpg')";
			break;	}
	
}