<!--
window.onload = function () {
	stateToFromStr(retrieveCookie('menuState'));
}
function show(val){
  var link=new Array(4);
  
  link[0]="tr1";
  link[1]="tr2";
  link[2]="tr3";
  link[3]="tr4";

  for(var i=0;i<4;i++){
    if(link[i]==val){
	 if(document.getElementById(link[i]).style.display=="")
	 {
	 document.getElementById(link[i]).style.display="none";
	 setCookie('menuState','');
	 }
	 else 
	 {
	 document.getElementById(link[i]).style.display="";
	 setCookie('menuState',val);
	 }
	}
	else{
	  document.getElementById(link[i]).style.display="none";
	}
  }
  return false;
}
function stateToFromStr(val){
 //document.getElementById(val).style.display="";
 if(val=='tr1') {
	document.getElementById("tr1").style.display="";	
 }
 if(val=='tr2') {
	document.getElementById("tr2").style.display="";	
 }
 if(val=='tr3') {
	document.getElementById("tr3").style.display="";	
 }
 if(val=='tr4') {
	document.getElementById("tr4").style.display="";	
 }
}
function hide(){
   setCookie('menuState','');
}
//-->