function ch(idx,ImagePath)
{
	document.getElementById('img_category-a').src = (idx == 'a') ? ImagePath + "/front/sub/sub_category_title01on.gif" : ImagePath + "/front/sub/sub_category_title01.gif";
	document.getElementById('img_category-b').src = (idx == 'b') ? ImagePath + "/front/sub/sub_category_title02on.gif" : ImagePath + "/front/sub/sub_category_title02.gif";

	document.getElementById('category-a').style.display = (idx == 'a') ? "" : "none";
	document.getElementById('category-b').style.display = (idx == 'b') ? "" : "none";
}

function cart_popup(ret, name, w, h) 
{
	var window_left = (screen.width-640)/2;
	var window_top = (screen.height-550)/2;
	
	var ckmiss = document.getElementsByName('option_selec_info')[0].value; 
	var sel = document.getElementsByName('selected_ls');
	if(ckmiss=='Yes')
	{		
		var check_sel = false;
		
		for(i=0; i<sel.length; i++)
		{
			if(sel[i].checked == true){ check_sel = true; var cv = sel[i].value; break; }
		}
		if(!check_sel){ alert('상품을 선택해주세요.'); return false; }
		
		var retUrl = ret + "&opt_idx=" + cv;
	}
	else
	{
		var cv = sel[0].value;
		var retUrl = ret + "&opt_idx=" + cv;
	}
	
	name = window.open(retUrl,name,'width=' + w + ', height=' + h + ', scrollbars=yes, resizable=no, status=no,top=' + window_top + ',left=' + window_left + '');
	name.focus();
}