// JavaScript Document
function onBodyLoad() 
{
  initFormHandlers();
}

function NVL(value, defaultValue) 
{
  if(typeof(value) == "undefined" || value == null) {
    return defaultValue;
  }
  return value;
}

function show_div(div_id) 
{
	document.getElementById(div_id).style.display = 'block';
}
function hide_div(div_id) 
{
	document.getElementById(div_id).style.display = 'none';
}

function showWithdraw(record) 
{
	var y ='withdraw_form'+record[record.selectedIndex].value;
	var tmp = new String;
	for (var i=0; i < record.length; i++) {
		tmp='withdraw_form'+record[i].value;
		document.getElementById(tmp).style.display = 'none';
	}
	document.getElementById(y).style.display = 'block';

}
function manageGroup(groupListId) 
{
    if (document.getElementById) {
	    var el = document.getElementById (groupListId);
        var groupId = el.options[el.selectedIndex].value;
        window.location = "groups.php#" + groupId;
    }
    return;
}


function checkForm(form, action, subaction) {
	var res = true;
	eval("res = check_" + form + "()");
	if (res && NVL(action, false)) {
		document.forms[form].elements['action'].value = action;
	}
	if (res && NVL(subaction, false)) {
		document.forms[form].elements['subaction'].value = subaction;
	}	
	return res;
}

function setFormAction(action, form) 
{
    document.forms[form].elements['action'].value = action;
}

function setFormSubAction(action, form) 
{
    document.forms[form].elements['subaction'].value = action;
}


function highlightFormsElement() {
    var h_elem_ids = new Array; 
    h_elem_ids  = getHighlightElementsId();    
    if (h_elem_ids != null) {
        for (var i=0; i<h_elem_ids.length; i++) {
          selectElementBackgroundById(h_elem_ids[i]); 
        }
    }
}

function getHighlightElementsId() { 
    get = new String(window.location);
    var res = null;
    var x = get.indexOf('?');
    if(x!=-1) {
        var tmp = get.substr(x+1, get.length-x);  
        var getparam = tmp.split('&');
        for(var i=0; i<getparam.length; i++)
        {
          tmp = getparam[i].split('=');
          if (tmp[0]=='highlight') 
          {
            res = tmp[1].split(":");
          }
        }

    }
    return res;    
}

function selectElementBackgroundById(element_id, bgcolor) {
   var element = document.getElementById(element_id);
   if (element != null) {
        element.className = "highlight";   
        element.title = "Please modify this option";
   }
   return;

}