function setClassName(obj, className)
{
	getRef(obj).className= className;
}

function getRef(obj)
{
	if(typeof obj == "string")
		obj= document.getElementById(obj);
		return obj;
}

function setstatus(arg1)	{ status=arg1;	}
function load_prev()		{ self.history.back(); }
function load_next()		{ self.history.forward(); }
function load_home()		{ top.location.href="index.php"; }
function go_top()			{ self.location.href="#top"; }