function magDiv(obj){
	if(document.getElementById("tr_index"))
		tr_index.style.display = "none";
	if(document.getElementById("tr_product"))
		tr_product.style.display = "none";
	if(document.getElementById("tr_news"))
		tr_news.style.display = "none";
	if(document.getElementById("tr_solution"))
		tr_solution.style.display = "none";
	if(document.getElementById("tr_support"))
		tr_support.style.display = "none";
	if(document.getElementById("tr_about"))
		tr_about.style.display = "none";
	if(document.getElementById("tr_partner"))
		tr_partner.style.display = "none";
	if(document.getElementById("tr_partner_support"))
		tr_partner_support.style.display = "none";
	if(document.getElementById("tr_marketing"))
		tr_marketing.style.display = "none";
	if(document.getElementById("tr_success"))
		tr_success.style.display = "none";
	if(document.getElementById("tr_edm"))
			tr_edm.style.display = "none";
	if(document.getElementById("tr_csq"))
			tr_csq.style.display = "none";
	if(document.getElementById("tr_qna"))
		tr_qna.style.display = "none";
	if(document.getElementById("tr_rpt"))
		tr_rpt.style.display = "none";
	if(document.getElementById("tr_admin"))
		tr_admin.style.display = "none";
	if(document.getElementById("tr_earning_monthly_cht"))
		tr_earning_monthly_cht.style.display = "none";
	
	
	var el = document.getElementById(obj);
	if(el.style.display != "block"){
		el.style.display = "block";
	}
	else{
		el.style.display = "none";
	}
}