var TimeOut         = 300;
var currentLayer    = null;
var currentitem     = null;
var currentLayerNum = 0;
var noClose         = 0;
var closeTimer      = null;

var qcurrentLayer   =null;

var qcurrentLayerNum=null;
function mopen(n,q) {
  
  var l  = document.getElementById("menu"+n);
  var mm = document.getElementById("mmenu"+n);
  
  if(l) {
    mcancelclosetime();
    l.style.visibility='visible';
    if(currentLayer && (currentLayerNum != n))
      currentLayer.style.visibility='hidden';
    currentLayer = l;
    currentitem = mm;
    currentLayerNum = n;			
  } else if(currentLayer) {
	  
    currentLayer.style.visibility='hidden';
    currentLayerNum = 0;
    currentitem = null;
    currentLayer = null;
 	}
	
//moi layer Q
  var ql  = document.getElementById("menu"+q);
  var mm = document.getElementById("mmenu"+q);

  if(ql) {
	
    mcancelclosetime();
    ql.style.visibility='visible';
	
    if(qcurrentLayer && (qcurrentLayerNum != q))
      qcurrentLayer.style.visibility='hidden';
    qcurrentLayer = ql;
    //currentitem = mm;
    qcurrentLayerNum = q;			
  } else if(qcurrentLayer) {
	  
    qcurrentLayer.style.visibility='hidden';
    qcurrentLayerNum = 0;
    //currentitem = null;
    qcurrentLayer = null;
 	}
}

function mclosetime() {
  closeTimer = window.setTimeout(mclose, TimeOut);
}

function mcancelclosetime() {
  if(closeTimer) {
    window.clearTimeout(closeTimer);
    closeTimer = null;
  }
}

function mclose() {
  if(currentLayer && noClose!=1)   {
    currentLayer.style.visibility='hidden';
    currentLayerNum = 0;
    currentLayer = null;
    currentitem = null;
	if(qcurrentLayer)   {
    qcurrentLayer.style.visibility='hidden';
    qcurrentLayerNum = 0;
    qcurrentLayer = null;
    //currentitem = null;
  }
  } else {
    noClose = 0;
  }
  currentLayer = null;
  qcurrentLayer = null;
  currentitem = null;
}
function doRegister(){
  if (document.form1.txtName.value.length==0){
	  alert("Enter your name!");
	  document.form1.txtName.focus();
	  return false;
  }
  if (document.form1.txtEmail.value.length==0){
	  alert("Enter your mail!");
	  document.form1.txtEmail.focus();
	  return false;
  }
  if (!isEmail(document.form1.txtEmail.value))
		{
			alert("Please enter your own Email.");
			document.frmMail.email.focus();
			return false;
		}
}
function isEmail(s)
{   
  if (s=="") return false;
  if(s.indexOf(" ")>0) return false;
  if(s.indexOf("@")==-1) return false;
  var i = 1;
  var sLength = s.length;
  if (s.indexOf(".")==-1) return false;
  if (s.indexOf("..")!=-1) return false;
  if (s.indexOf("@")!=s.lastIndexOf("@")) return false;
  if (s.lastIndexOf(".")==s.length-1) return false;
  var str="abcdefghikjlmnopqrstuvwxyz-@._"; 
  for(var j=0;j<s.length;j++)
	if(str.indexOf(s.charAt(j))==-1)
		return false;
   return true;
}
document.onclick = mclose;