var tabScroll = 1;
var tabChk,tabLast

// 3 //
function switchMainIndexTab(tNo)
{
	var frm = document.all;
	// 3
	document.getElementById('tabBtn' + tNo).src="newimg/tab_ov_" + tNo + ".gif";
	document.getElementById('todayTab' + tNo).filters.blendTrans.Apply();
	document.getElementById('todayTab' + tNo).style.zIndex="20";
	document.getElementById('todayTab' + tNo).style.visibility = "visible";
	document.getElementById('todayTab' + tNo).filters.blendTrans.Play();
	// 3
	for(i=1; i<=3; i++) {
		var tmp = "0"+i;
		if(tNo != tmp) {
			document.getElementById('tabBtn0' + i).src="newimg/tab_0" + i + ".gif";
		}
	}
	// 3
	tabChk = "N";
	tabLast = tNo;
	hiddenTab();
}
// 3(13)
function hiddenTab()
{
	var frm = document.all;
	// ??? ??
	if(tabChk=="Y")	{
		for(i=1;i<=3;i++) {
			var tmp = "0"+i;
			if(tabLast!=tmp)	{
				document.getElementById('todayTab0' + i).style.visibility = 'hidden';
			}
			document.getElementById('todayTab0' + i).style.zIndex="10";
		}
		clearTimeout(tabTimeOut2);
	}
	else
	{	
		tabChk="Y";
		tabTimeOut2 = setTimeout(hiddenTab,3);
	}
}
// 3 //
function startMainIndexTab()
{
	if(tabScroll > 3)
		tabScroll = 1;
	switchMainIndexTab('0'+tabScroll);
	tabScroll++;
	tabTimeOut = setTimeout(startMainIndexTab, 9000);
}

function startMainIndexTab1(str)
{

	tabScroll = str;
	switchMainIndexTab('0'+tabScroll);
	tabScroll++;
	tabTimeOut = setTimeout(startMainIndexTab, 5000);
}
// 3 //
function endMainIndexTab()
{
	clearTimeout(tabTimeOut);
}