function tabit(btn){
	var idname = new String(btn.id);
	var s = idname.indexOf("_");
	var e = idname.lastIndexOf("_")+1;
	var tabName = idname.substr(0, s);
	var id = parseInt(idname.substr(e, 1));
	var tabNumber = btn.parentNode.childNodes.length;
	for(i=0;i<tabNumber;i++){
			//document.getElementById(tabName+"_div_"+i).style.display = "none";
			document.getElementById(tabName+"_btn_"+i).className = "";
		};
		//document.getElementById(tabName+"_div_"+id).style.display = "block";
		btn.className = "curr";
};

function etabit(btn){
	var idname = new String(btn.id);
	var s = idname.indexOf("_");
	var e = idname.lastIndexOf("_")+1;
	var tabName = idname.substr(0, s);
	var id = parseInt(idname.substr(e, 1));
	var tabNumber = btn.parentNode.childNodes.length;
	for(i=0;i<tabNumber;i++){
			document.getElementById(tabName+"_div_"+i).style.display = "none";
			document.getElementById(tabName+"_btn_"+i).className = "";
		};
		document.getElementById(tabName+"_div_"+id).style.display = "block";
		btn.className = "curr";
};



function secBoard(n)
  {
    for(i=0;i<secTable.cells.length;i++)
      secTable.cells

[i].className="sec11";
    secTable.cells[n].className="sec21";
    for(i=0;i<mainTable.tBodies.length;i++)
      mainTable.tBodies

[i].style.display="none";
    mainTable.tBodies

[n].style.display="block";
  };
  
  function setTab(num) {
	var container = document.getElementById('container');
	var dts = container.getElementsByTagName('dt');
	var dds = container.getElementsByTagName('dd');
	for (var i = 0, leng = dts.length; i < leng; i++) {
		dts[i].getElementsByTagName('a')[0].className = '';
		dds[i].className = '';
	}
	dts[num].getElementsByTagName('a')[0].className = 'on';
	dds[num].className = 'on';
	
}