function toggle_collapse(objid)
{

	obj = document.getElementById(objid);
	if (obj.style.display == "none")
	{
		var itemcol = '';
        obj.style.display = "";
		save_collapsed(objid,itemcol,false);
	}
	else
	{
		var itemcol = 'display:none';
        obj.style.display = "none";
		save_collapsed(objid,itemcol,true);
	}
	return false;
}
function save_collapsed(objid, value,isset)
{
	if (!isset){
	   document.cookie = "link_collapse" + "=" + "; expires=Thu, 01-Jan-70 00:00:01 GMT" +  "; path=/";
	} else {
       expires = new Date();
	   expires.setTime(expires.getTime() + (1000 * 86400 * 365));
       document.cookie = "link_collapse" + "=" + escape(value) + "; expires=" + expires.toGMTString() +  "; path=/";

    }

}