IMAGE01 = "skin/icon_over.gif"; 
IMAGE02 = "skin/icon_out.gif";  

function ExpandedIcon(imgname)
{
    document.getElementById(imgname).src = IMAGE01;
}
function UnExpandedIcon(imgname)
{
    document.getElementById(imgname).src = IMAGE02;
}
 
function SwitchMenu(obj)
{
    //Create 
	
	createCookie('Menu',obj,1);	
	//var m = readCookie('Menu');	
	
    if(document.getElementById)
    {
	    var el = document.getElementById(obj);
	    var ar = document.getElementById("masterdiv").getElementsByTagName("span");
	    
		if(el.style.display != "block")
		{
			for (var i=0; i<ar.length; i++)
			{
				if (ar[i].className=="option")
				{
					ar[i].style.display = "none";    					
					//alert(ar[0].id);
					//UnExpandedIcon('icon_'+ar[i].id);
				}    				
			}
			//ExpandedIcon('icon_'+obj);
			el.style.display = "block";
		}
		else
		{
			el.style.display = "none";
						//Delete Menu
			eraseCookie('Menu');
			//UnExpandedIcon('icon_'+obj);
		}
	}    	
}

function createCookie(name,value,days)
{
	if (days)
	{
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else 
	    var expires = "";
	    
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name)
{
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++)
	{
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0)
		{
			return c.substring(nameEQ.length,c.length);
		}
	}
	return null;		
}

function LoadMenu()
{
	var x = readCookie('Menu');

	if (x!=null)
	{
		SwitchMenu(x);
		//ExpandedIcon('icon_'+x);
	}
}
function eraseCookie(name)
{
	createCookie(name,"",-1);
}