function mainLink(linkName) {
	var linkUrl = "";
	var linkTarget = "_self";
	switch(linkName) {
	case 'mayor' : linkUrl = "/mayor/index.jsp"; linkTarget="_blank"; break;
	case 'index' : linkUrl = "/kr/index.jsp"; linkTarget="_self"; break;
	}

	if(linkUrl != "") {
		window.open(linkUrl, linkTarget);
	}
}