// JavaScript Document
var myvar;
function menuinit() {
	document.getElementById("m1").style.display = 'none';
	if(getCookie("m1")=="m1")
        document.getElementById('m1').style.display = 'block';
}
function menuexpand (i) {
    menuinit();
	if(getCookie(i)!="")
		myvar=getCookie(i);
    if (myvar == i) {
		document.getElementById(i).style.display = 'none';
		myvar = '';
	}
    else {
		document.getElementById(i).style.display = 'block';
		myvar = i;
	}
	setCookie(i,myvar,1);
}

function setCookie(c_name,value,expiredays)
{
var exdate=new Date();
exdate.setDate(exdate.getDate()+expiredays);
document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}

function getCookie(c_name)
{
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=");
  if (c_start!=-1)
    {
    c_start=c_start + c_name.length+1;
    c_end=document.cookie.indexOf(";",c_start);
    if (c_end==-1) c_end=document.cookie.length;
    return unescape(document.cookie.substring(c_start,c_end));
    }
  }
return "";
}