function setTab(m,n){
	var menuli=document.getElementById("tab_menu_"+m).getElementsByTagName("li");
	var contentli=document.getElementById("tab_content_"+m).getElementsByTagName("li");
	for(i=0;i<menuli.length;i++){
		menuli[i].className=i==n?"active":"";
		contentli[i].style.display=i==n?"block":"none";
	}
}


function setTab_x(m,n){
	var menuli=document.getElementById("tab_menu_"+m).getElementsByTagName("li");
	for(i=0;i<menuli.length;i++){
		menuli[i].className=i==n?"active":"";
		document.getElementById("tab_content_"+m+"_"+i).className=i==n?"active":"hidden";
	}
}