function newWindow(url, name, width, height, scroll) {

	window.open(
	   ""+url+"",
	   name,
       "width="       + width                                       + "," +
       "height="      + height                                      + "," +
       "top="         + parseInt((screen.height - height) / 2)      + "," +
       "left="        + parseInt((screen.width - width)  / 2)       + "," +
       "scrollbars="        + scroll                                + "," +
	   "resizable=1"
	);
}


function toggle_answer(me) {
    htmlElm = me.parentNode.getElementsByTagName('div')[0];
    htmlElm.style.display = (htmlElm.style.display == '' ? htmlElm.style.display = 'none' : '');

    htmlElms = me.parentNode.parentNode.getElementsByTagName('div');

    i=htmlElms.length;
    while(i > 0) {
        i--;
        if (htmlElms[i] != htmlElm) htmlElms[i].style.display = 'none';
    }
}