function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


/* pngÆÄÀÏ ¸¶¿ì½º ¿À¹öÇßÀ»¶§ À̺¥Æ® ½ºÅ©¸³Æ®*/
function MainImgChange( id, src ){
	document.getElementById(id).src = "/eng/common/images/main/"+src+".png";
}

function MainImgOpen( total, id ){
	var basimg = new Array("url(/eng/common/images/main/main_img1.jpg)",//default
							"url(/eng/common/images/main/main_img1.jpg)",
							"url(/eng/common/images/main/main_img2.jpg)",
							"url(/eng/common/images/main/main_img3.jpg)",
							"url(/eng/common/images/main/main_img4.jpg)",
							"url(/eng/common/images/main/main_img5.jpg)");

	document.getElementById("main_img").style.backgroundImage  = basimg[id]; 
	MainImgClose(total);
	document.getElementById("quick"+id).src = "/eng/common/images/main/mainstitle"+id+"_on.png";
}
function MainImgClose(total){
	for(var i = 1 ; i <= total ; i++) {
		document.getElementById("quick"+i).src = "/eng/common/images/main/mainstitle"+i+".png";
	}
}

// Main À̹ÌÁö ·£´ý
function Main_Image(){
	var result = Math.floor(Math.random() * 3) + 1; // 1~3±îÁö

	//var result = Math.floor(Math.random() * 4);
										//  ==º¯¼ö °¹¼ö(0ºÎÅÍ 2±îÁö Áß ÇÑ°³
	var basimg = new Array("url(/eng/common/images/main/main_img1.jpg)",//default
							"url(/eng/common/images/main/main_img1.jpg)",
							"url(/eng/common/images/main/main_img2.jpg)",
							"url(/eng/common/images/main/main_img3.jpg)",
							"url(/eng/common/images/main/main_img4.jpg)",
							"url(/eng/common/images/main/main_img5.jpg)");

	document.getElementById("main_img").style.backgroundImage  = basimg[result]; 

	MainImgClose(5);
	document.getElementById("quick"+result).src = "/eng/common/images/main/mainstitle"+result+"_on.png";

}



function ma_news_Open(total, idx) {
	ma_news_Hidden(total);
	document.getElementById("ma_news_0"+idx).style.display = 'block';	
}

function ma_news_Hidden(total) {
	for(var i = 1 ; i <= total ; i++) {
		document.getElementById("ma_news_0"+i).style.display = 'none';
	}
}

//quick
function quickOpen(flg){
	
	if(flg){
		document.getElementById("quick").style.display = 'block';	
		document.getElementById("quick_box").style.display = 'none';			
	}else{
		document.getElementById("quick").style.display = 'none';
		document.getElementById("quick_box").style.display = 'block';		
	}
}

//¹Ù·Î°¡±â¼­ºñ½º
function baloOpen(flg){
	
	if(flg){
		document.getElementById("balo").style.display = 'block';	
		document.getElementById("balo_box").style.display = 'none';		
		document.getElementById("search").style.display = 'block';
	}else{
		document.getElementById("balo").style.display = 'none';
		document.getElementById("balo_box").style.display = 'block';		
		document.getElementById("search").style.display = 'none';
	}
}

//Æ˾÷
function mainPop_open(total, idx) {
	mainPop_Hidden(total);
	document.getElementById("popimg_0"+idx).src='common/images/main/popup_bt0'+idx+'_on.gif';
	document.getElementById("pop_0"+idx).style.display = 'block';	
}

function mainPop_Hidden(total) {
	for(var i = 1 ; i <= total ; i++) {
		document.getElementById("popimg_0"+i).src='common/images/main/popup_bt0'+i+'.gif';
		document.getElementById("pop_0"+i).style.display = 'none';
	}
}