// JavaScript Document
NS4 = (document.layers) ? 1 : 0;
IE4 = (document.all) ? 1 : 0;
ver4 = (NS4 || IE4) ? 1 : 0;

if (ver4) {
    with (document) {
        write("<STYLE TYPE='text/css'>");
        if (NS4) {
            write(".parent {position:absolute; visibility:visible}");
            write(".child {position:absolute; visibility:visible}");
            write(".regular {position:absolute; visibility:visible}")
        }
        else {
            write(".child {display:none}")
        }
        write("</STYLE>");
    }
}

function getIndex(el) {
    ind = null;
    for (i=0; i<document.layers.length; i++) {
        whichEl = document.layers[i];
        if (whichEl.id == el) {
            ind = i;
            break;
        }
    }
    return ind;
}

function arrange() {
    nextY = document.layers[firstInd].pageY +document.layers[firstInd].document.height;
    for (i=firstInd+1; i<document.layers.length; i++) {
        whichEl = document.layers[i];
        if (whichEl.visibility != "hide") {
            whichEl.pageY = nextY;
            nextY += whichEl.document.height;
        }
    }
}

function initIt(){
    if (!ver4) return;
    if (NS4) {
        for (i=0; i<document.layers.length; i++) {
            whichEl = document.layers[i];
            if (whichEl.id.indexOf("Child") != -1) whichEl.visibility = "hide";
       }
        arrange();
    }
    else {
        divColl = document.all.tags("DIV");
        for (i=0; i<divColl.length; i++) {
            whichEl = divColl(i);
            if (whichEl.className == "child") whichEl.style.display = "none";
        }
    }
}

function expandIt(el) {
    if (!ver4) return;
    if (IE4) {
        whichEl = eval(el + "Child");
        if (whichEl.style.display == "none") {
            whichEl.style.display = "block";
        }
        else {
            whichEl.style.display = "none";
        }
    }
    else {
        whichEl = eval("document." + el + "Child");
        if (whichEl.visibility == "hide") {
            whichEl.visibility = "show";
        }
        else {
            whichEl.visibility = "hide";
        }
        arrange();
    }
}
onload = initIt;
//

	var debug = false ;
	function switchTab (tabName,tab)
	{	event.returnValue = false ;	 
		//var tabName = getTabGroupName (tab.id) ;
		if (tabName == '')
		{	alert ("No tabName for tab [" + tab.id + "]") ;
			return ;
		}
		var index = 1 ;
		while (true)
		{	var tabTitle = eval ("document.all ('" + tabName + '_' + index + "')") ;
			if (tabTitle == undefined)
				break ;
			deactiveTabTitle (tabTitle , tabName) ;
			var tabContent = eval ("document.all ('" + tabName + '_' + index + '_content' + "')") ;
			if (tabContent != undefined)
				tabContent.style.display = "NONE" ;
			index ++ ;
		}
		if (debug)
			alert ("Find " + (index - 1) + " tab title(s) for TabName [" + tabName + "]") ;
		activeTabTitle (tab , tabName) ;
		var tabContent = eval ("document.all ('" + tab.id + '_content' + "')") ;
		if (tabContent != undefined)
			tabContent.style.display = "BLOCK" ;
	}	
	function getTabGroupName (tabId)
	{
		if (tabId == '' || tabId == undefined)
		{
			alert ("tabId is NULL! [" + tabId + "]") ;
			return ;
		}
		var i = tabId.lastIndexOf ('_') ;
		if (i <= 1)
			return '' ;
		return tabId.substr (0 , i) ;
	}
	function deactiveTabTitle (tab , tabName)
	{		tab.className = "fl_off" ;
	}
	
	function activeTabTitle (tab , tabName)
	{		tab.className = "fl_on" ;
	}