//gnb
function gnb(path, n)	{
	obj_n = document.getElementById('gnb').getElementsByTagName('span');
	
	for(var i=1; i<obj_n.length+1 ; i++)	{
		obj = document.getElementById('gnb_sub0' + i);
		obj_i = document.getElementById('gnb0' + i);
		if (i == n)	{
		obj.style.visibility = "visible";
		obj_i.setAttribute('src','/images/'+path+'/gnb0'+n+'_on.gif');
		} else	{
			obj.style.visibility = "hidden";
			obj_i.setAttribute('src','/images/'+path+'/gnb0'+i+'.gif');
		}
	}
}

// view, hide Layer 

function click_showCon(idName)	{
	obj = document.getElementById(idName);
	if (obj.style.display == "none"){
		obj.style.display = "block";	
	}
	else {
		obj.style.display = "none";	
	}
}

function showCon(idName)	{
	 obj = document.getElementById(idName);
	 obj.style.display = "block";	
}

function hideCon(idName)	{
	 obj = document.getElementById(idName);
	 obj.style.display = "none";
}

// link
function a_link(target,url)	{eval(target).location = url;}
function a_link_pop(url)	{window.open(url, '', '');}

// 2-depth align
function sub_width()	{	
	var k=0;
	var obj_pro = document.getElementById("gnb_sub01");
	var obj_store = document.getElementById("gnb05");
	var obj = document.getElementById("sub_width");
	var obj_length = obj.getElementsByTagName("li");	
	for (var n=0; n<obj_length.length ; n++){
		k += obj_length[n].offsetWidth;
		obj_pro.style.width = k + 10+ "px";		
		obj_pro.style.marginRight = ((780 - k)/3) + "px";	
	}	
}