function showDiv(id) {
    dom = document.getElementById ? 1 : 0;
    ie4 = (document.all && !dom) ? 1 : 0;
    opera = (navigator.userAgent.indexOf('Opera')!=-1) ? 1 : 0;
    supported = ((dom||ie4) && !(opera)) ? 1 : 0;

    if(!supported) return;

    if (dom && !document.all)
     document.all = document.getElementsByTagName("*")

        obj = (dom) ? document.getElementById(id) : document.all(id)

        if(obj.style.visibility=='hidden')
        obj.style.visibility='visible';

        else
        obj.style.visibility='hidden';
}


var browserType;

if (document.layers) {browserType = "nn4"}
if (document.all) {browserType = "ie"}
if (window.navigator.userAgent.toLowerCase().match("gecko")) {browserType= "gecko"}

function hide(id) {
  if (browserType == "gecko" )
     document.poppedLayer = eval('document.getElementById(id)');
  else if (browserType == "ie")
     document.poppedLayer = eval('document.all[id]');
  else
     document.poppedLayer = eval('document.layers[id]');
  document.poppedLayer.style.visibility = "hidden";
    document.poppedLayer.style.display = "none";
}

function toggle(id) {
	if (browserType == "gecko" )
    document.poppedLayer = eval('document.getElementById(id)');
  else if (browserType == "ie")
     document.poppedLayer = eval('document.all[id]');
  else
     document.poppedLayer = eval('document.layers[id]');
     
     if (document.poppedLayer.style.visibility == "visible") {
      document.poppedLayer.style.visibility = "hidden";
	  document.poppedLayer.style.display = "none";
     }
     else {
	  document.poppedLayer.style.visibility = "visible";
	  document.poppedLayer.style.display = "block";
	}
}

function show(id) {
  if (browserType == "gecko" )
    document.poppedLayer = eval('document.getElementById(id)');
  else if (browserType == "ie")
     document.poppedLayer = eval('document.all[id]');
  else
     document.poppedLayer = eval('document.layers[id]');
  document.poppedLayer.style.visibility = "visible";
  document.poppedLayer.style.display = "block";
}

function Confirm(url) {

  var answer = confirm("Are you sure you wanted to delete?");
  if (answer != 0) {
    return true;
  }
  else {
   return false;
  }
}	
	 
function Sure(url) {
  var answer = confirm("Are you sure you wanted to delete?");
  if (answer != 0) {
    location.href = url;
    return true;
  }
  else {
   return false;
  }
}
  
function open_window(url,title,x,y) {
    newwin = window.open(url,title,'width=' + x + ',height=' + y + ',scrollbars=yes,resizable=yes');
}