// JavaScript Document
function fbox(id_box) 
{
    var aDivs = document.body.getElementsByTagName("DIV");
	var box = document.getElementById(id_box);
	
    for(i=0; i<aDivs.length; i++)
    {
        if(aDivs[i].id.substr(aDivs[i].id.length - 9, 9) == "pnlAnswer" && aDivs[i].id != id_box)
            aDivs[i].style.display = "none";
    }

	box.style.display = (box.style.display == "block") ? "none" : "block";
}