//	탭바 적용함수
function tabs(idx, total, url) {
	for( var i=1; i <= total; i++ ) {
		var imgObjTmp	= document.getElementById("img_"+i);
		imgObjTmp.src	= imgObjTmp.src.replace(/_on/,"_off");
		var divObjTmp	= document.getElementById("layer_"+i);
		divObjTmp.style.display	= "none";
	}

	var imgObj	= document.getElementById("img_"+idx);
	imgObj.src	= imgObj.src.replace(/_off/,"_on");
	var divObj	= document.getElementById("layer_"+idx);
	divObj.style.display	= "block";

	var moreLink	= document.getElementById("more");
	if (url){
		more.href			= url;
	}
}