/*-------------------------------------------------
navi ¼Ò½º
--------------------------------------------------*/

	function changeLayerIcbp(iSelLyr, iSubLyr){		
		
		var oLyr			= null;
		var oSubLyr		= null;
		var oImgPlus		= null;
		var oImgMinus		= null;
		
		oLyr = document.getElementById('Layer_' + iSelLyr);
		if(!oLyr) return false;
		
		oSubLyr = document.getElementById('SubLyr_' + iSelLyr);
		if(!oSubLyr) return false;
		
		if(oSubLyr.style.display == 'none') oSubLyr.style.display = '';

		if(iSubLyr != ''){
			var oSubItem = null;

			oSubItem = document.getElementById('sub' + iSelLyr + '_' + iSubLyr);
			if(!oSubItem) return false;
			oSubItem.className = 'over';
		}
		return true;
	}