var timeout	= 100;
var infoTimer	= 0;
var divObj	= 0;
var featureDivObj	= 0;
// close showed layer
function closeUserPopup(){
	if(divObj) divObj.className = 'clsDisplayNone';
}

// close user info and reset timer
function closeUserPopupAndTimer(){
	infoTimer = window.setTimeout(closeUserPopup, timeout);
}

// reset timer
function resetUserInfoTimer(){
	if(infoTimer){
		window.clearTimeout(infoTimer);
		infoTimer = null;
	}
}
function showBrief(divname){
	// reset timer
	resetUserInfoTimer();

	// close old layer
	if(divObj) divObj.className = 'clsDisplayNone';

	// get new layer and show it
	divObj = document.getElementById(divname);
	if(divObj)
		divObj.className = 'clsDisplay';
}
function hideBrief(divname){
	closeUserPopupAndTimer();
}
function showContent(d) {
	for (var j=2;j<=7;j++){
		var st=document.getElementById("content"+j);
		if(st.style.display=="block"){
			st.style.display="none";
		}
	}
	document.getElementById(d).style.display = "block";

	for (var k=2;k<=7;k++){ //1 and 8 are welcome and end page so they no need menu
		var st=document.getElementById("content"+k);
		var tb=document.getElementById("tab"+k);
		if(st.style.display=="block"){
			tb.className="clsActiveTab";
		}else{
			tb.className="clsInactiveTab";
		}
	}
}