function datetime(s)
{
	var mydate;
	if (s)
		mydate = new Date(s);
	else
		mydate = new Date();
	
	var year = mydate.getYear()
	if (year < 1000)
		year += 1900
	var month = mydate.getMonth() + 1
	if (month < 10)
		month = "0" + month
	var day = mydate.getDate()
	if (day < 10)
		day = "0" + day

	var dayw = mydate.getDay()
	
	var hour = mydate.getHours()
	if (hour < 10)
		hour = "0" + hour
	
	var minute=mydate.getMinutes()
	if (minute < 10)
		minute = "0" + minute
	var dayarray=new Array("Ch&#7911; Nh&#7853;t","Th&#7913; Hai","Th&#7913; Ba","Th&#7913; T&#432;","Th&#7913; N&#259;m","Th&#7913; S&#225;u","Th&#7913; B&#7843;y")
	document.write(+hour+"h:"+minute +" - "+day+"."+month+"."+year+ " ")
}


function changeto(obj,strClass){
	if(strClass!=""){
		obj.className = strClass;
	}
}
function dropCategory(obj){
	if(obj.className == "on"){
		obj.className = "off";
		document.frmTemp.objdrop.value = "";	
	}
	else{
		obj.className = "on";
		if(document.frmTemp.objdrop.value != ""){
			identity=document.getElementById(document.frmTemp.objdrop.value);
			identity.className = "off";
		}
		document.frmTemp.objdrop.value = obj.id;
	}
}