function setCookie (name, value, expires, path, domain, secure) {
      document.cookie = name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}

function getCookie(name) {
	var cookie = " " + document.cookie;
	var search = " " + name + "=";
	var setStr = null;
	var offset = 0;
	var end = 0;
	if (cookie.length > 0) {
		offset = cookie.indexOf(search);
		if (offset != -1) {
			offset += search.length;
			end = cookie.indexOf(";", offset)
			if (end == -1) {
				end = cookie.length;
			}
			setStr = unescape(cookie.substring(offset, end));
		}
	}
	return(setStr);
}

function toggle_header()
  {
  if(getCookie("head")=="no")
    {
    show_header();
    }
  else
    {
    remove_header();
    }
  }

function show_header()
  {
  setCookie("head","yes","","/");
  resize_header();
  }
function remove_header()
  {
  setCookie("head","no","","/");

  if(el=document.getElementById("header_sub"))
    el.style.marginTop="-250px";
  if(el=document.getElementById("clock"))
    el.style.marginTop="-250px";
  if(el=document.getElementById("header"))
    el.style.marginTop="-340px";
  if(el=document.getElementById("container"))
    el.style.backgroundImage="";
  if(el=document.getElementById("logo_phone"))
    el.style.left="-1000px";
  if(el=document.getElementById("table"))
    el.style.left="-1000px";
  if(el=document.getElementById("divan"))
    el.style.left="-1000px";
  if(el=document.getElementById("people"))
    el.style.left="-1000px";

  if(el=document.getElementById("box"))
    el.style.left="-1000px";
  if(el=document.getElementById("chair"))
    el.style.left="-1000px";
  if(el=document.getElementById("palette"))
    el.style.left="-1000px";
  if(el=document.getElementById("designer"))
    el.style.left="-1000px";
  if(el=document.getElementById("table_1"))
    el.style.left="-1000px";

  if(el=document.getElementById("board"))
    el.style.left="-1000px";
  if(el=document.getElementById("boxes"))
    el.style.left="-1000px";
  if(el=document.getElementById("darts"))
    el.style.left="-1000px";
  if(el=document.getElementById("programmer"))
    el.style.left="-1000px";
  if(el=document.getElementById("sheets"))
    el.style.left="-1000px";
  if(el=document.getElementById("verstalshik"))
    el.style.left="-1000px";


  if(el=document.getElementById("shkaf"))
    el.style.left="-1000px";
  if(el=document.getElementById("seoshnik"))
    el.style.left="-1000px";
  if(el=document.getElementById("seoshnik2"))
    el.style.left="-1000px";
  if(el=document.getElementById("spiral"))
    el.style.left="-1000px";
  if(el=document.getElementById("bluearrow"))
    el.style.left="-1000px";
  if(el=document.getElementById("arrows"))
    el.style.left="-1000px";
  if(el=document.getElementById("google"))
    el.style.left="-1000px";
  if(el=document.getElementById("yandex"))
    el.style.left="-1000px";
  if(el=document.getElementById("rambler"))
    el.style.left="-1000px";

  }