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 "";
}
function showSubmenu(id, offset)
{
	if (getCookie('status_blog') != "")
	{
		document.getElementById("b" + getCookie('status_blog')).style.backgroundImage = "url(http://www.purchasecontrol.com/images/menuOff.png)";
	}
	document.getElementById("b" + id).style.backgroundImage = "url(http://www.purchasecontrol.com/images/menuOn.png)";
	document.getElementById("submenu").style.marginLeft = offset;
	document.getElementById("submenu").innerHTML = document.getElementById("submenu_" + id).innerHTML;
	setCookie('status_blog', id, 6);
}
function loadMenu()
{
	if (getCookie('status_blog') != "")
	{
		var memo = getCookie('status_blog');
		var offsets = new Array("", "0px", "125px", "0px", "500px", "625px", "250px", "750px", "875px");
		document.getElementById("b" + memo).style.backgroundImage = "url(http://www.purchasecontrol.com/images/menuOn.png)";
		showSubmenu(memo, offsets[memo]);
	}
}