function ShowInstructions()
{
     var url=this.href;
	var windowoptions="toolbar=0,location=no,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,width=480,height=300";
	var popUpWin=window.open(url,'NewWindow',windowoptions);
	return false;
}

document.getElementById("instructionslink").onclick=ShowInstructions;