function toggle(obj) {
var sibling=(obj.nextSibling.nodeType==3)? obj.nextSibling.nextSibling : obj.nextSibling;
if(sibling.style.display=='' || sibling.style.display=='block') {
sibling.style.display='none';
obj.firstChild.firstChild.data='+';
}
else {
sibling.style.display='block';
obj.firstChild.firstChild.data='-';
}
}
function initCollapse() {
var oDT=document.getElementById('faqDrop').getElementsByTagName('dt');
for (var i=0; i < oDT.length; i++) {
oDT[i].onclick=function() {toggle(this)};
var oSpan=document.createElement('span');
var sign=document.createTextNode('+');
oSpan.appendChild(sign);
oDT[i].insertBefore(oSpan, oDT[i].firstChild);
oSpan.style.fontFamily='monospace';
oSpan.style.paddingRight='0.5em';
oDT[i].style.cursor='pointer';
toggle(oDT[i]);
}
oDT=null;
}
function addLoadEvent(func) {
var oldonload = window.onload;
if (typeof window.onload != 'function') {
window.onload = func;
} else {
window.onload = function() {
if (oldonload) {
oldonload();
}
func();
}
}
}
addLoadEvent(function() {
if(document.getElementById && document.createElement) {
initCollapse();}
});