var jsSrc = document.getElementById("top_menu_js").src;
var searchString = jsSrc.split("?")[1];

var menu_len = searchString.split("&")[0].split("=")[1];
var imgKeyStr = searchString.split("&")[1].split("=")[1];


//»ç¿ëÀÚ ¼³Á¤ ºÎºÐ ³¡ ---------------------------------
var img_top_menu_obj = new Array(menu_len);
var img_top_menu_ids = new Array(menu_len);
var img_top_menu_over = new Array(menu_len);
var img_top_menu_out = new Array(menu_len);

var imgKey = new Array(menu_len);

for(i=0;i<menu_len;i++){
	imgKey[i]=imgKeyStr.substr(i,1);
}

//¸Þ´º¾ÆÀ̵ð
for(i=0;i<menu_len;i++){
	j=i+1;
	img_top_menu_ids[i]="img_top_menu" + j;
	
}

//±âº», ¸¶¿ì½º ¾Æ¿ô½Ã À̹ÌÁö
for(i=0;i<menu_len;i++){
	j=i+1;
	img_top_menu_out[i]="images/main/mn_0"+ imgKey[i] +".gif";
}



//¸¶¿ì½º ¿À¹ö½Ã À̹ÌÁö
for(i=0;i<menu_len;i++){
	j=i+1;
	img_top_menu_over[i]="images/main/mn_0"+ imgKey[i] +"_.gif";
}



function addMouseOverListener(){
	for(i=0;i<menu_len;i++){
		img_top_menu_obj[i]=document.getElementById(img_top_menu_ids[i]);
	}

	if(isIE){
		for(i=0;i<menu_len;i++){
			img_top_menu_obj[i].attachEvent("onmouseover",new Function('replaceLinkImgOver("'+ i +'")'));
		}

	}else{
		for(i=0;i<menu_len;i++){
			img_top_menu_obj[i].addEventListener("mouseover",new Function('replaceLinkImgOver("'+ i +'")'),false);
		}

	}
}

function addMouseOutListener(){

	for(i=0;i<menu_len;i++){
		img_top_menu_obj[i]=document.getElementById(img_top_menu_ids[i]);
	}

	if(isIE){
		for(i=0;i<menu_len;i++){
			img_top_menu_obj[i].attachEvent("onmouseout",new Function('replaceLinkImgOut("'+ i +'")'));
		}

	}else{
		for(i=0;i<menu_len;i++){
			img_top_menu_obj[i].addEventListener("mouseout",new Function('replaceLinkImgOut("'+ i +'")'),false);
		}

	}
}

function replaceLinkImgOver(idx){
	img_top_menu_obj[idx].src = img_top_menu_over[idx];
}

function replaceLinkImgOut(idx){
	img_top_menu_obj[idx].src = img_top_menu_out[idx];
}

if(isIE){
	window.attachEvent("onload",addMouseOverListener);
	window.attachEvent("onload",addMouseOutListener);
}else{
	window.addEventListener("load",addMouseOverListener,false);
	window.addEventListener("load",addMouseOutListener,false);
}