function SelectAll(IsSelect)
{
objChecks=document.getElementsByTagName('input');
for (i=0;i<objChecks.length;i++)
{
 if (objChecks[i].type=='checkbox') objChecks[i].checked=IsSelect
}
return
}

function getId(id) {
  if (typeof(document.getElementById) != "undefined") {
    return document.getElementById(id);
  } else {
    return document.all[id];
  }
}

function thread(node,id) {
var ns4 = (document.layers)? true:false;
var ns6 = (document.getElementById)? true:false;
var ie4 = (document.all)? true:false;
var ie5 = false;

if (ie4) {
	if ((navigator.userAgent.indexOf('MSIE 5') > 0) || (navigator.userAgent.indexOf('MSIE 6') > 0)) {
		ie5 = true;
	}
	if (ns6) {
		ns6 = false;
	}
}
//alert("ns4="+ns4+"|ns6="+ns6+"|ie4="+ie4+"|ie5="+ie5);
var k = 0;
if (ns6) k=0; 
  var divid = getId(id);
  //alert(k);
  if (divid.style.display == 'none') {
    if (node.childNodes && node.childNodes.length > 0)
      //alert(node.childNodes.length);
      k = node.childNodes.length - 1;
      if (node.childNodes.item(k).nodeName == "IMG") {
        //node.childNodes.item(k).src = "menu_minus.gif";
        node.childNodes.item(k).alt = "Collapse test view";      //node.childNodes.item(k).alt.replace("Open ","Close ");
        node.title = node.childNodes.item(k).alt;
      }
    divid.style.display = 'block';
  } else {
    if (node.childNodes && node.childNodes.length > 0)
      k = node.childNodes.length - 1;
      if (node.childNodes.item(k).nodeName == "IMG") {
        //node.childNodes.item(k).src = "menu_plus.gif";
        node.childNodes.item(k).alt = "View all tests in this test bank";
        node.title = node.childNodes.item(k).alt;
      }
    divid.style.display = 'none';
  }
}