// JavaScript Document

function addEvent(elm, evType, fn, useCapture)
// addEvent and removeEvent
{
	if (elm.addEventListener){
		elm.addEventListener(evType, fn, useCapture);
		return true;
	} else if (elm.attachEvent){
		var r = elm.attachEvent("on"+evType, fn);
		return r;
	} else {
		//alert("Handler could not be removed");
	}
} 

function hideChildren($displayObj)
{
	var thisChild = $displayObj.firstChild;
	while ( thisChild != $displayObj.lastChild )
	{
		//only hide relevant node types
		if (thisChild.nodeType == 1 )
		{
			thisChild.style.display = "none";	
		}
		thisChild = thisChild.nextSibling;
	}
}

function getElementsByClass(searchClass,node,tag) {
	var classElements = new Array();
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp('(^|\\\\s)'+searchClass+'(\\\\s|$)');
	for (i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}

function toggle(obj) {
	var el = document.getElementById(obj);
	if ( el.style.display != 'none' ) {
		el.style.display = 'none';
	}
	else {
		el.style.display = '';
	}
}

Array.prototype.inArray = function (value) {
   var i;
   for (i=(this.length-1); i>=0; i--) {
		if (this[i] === value) {
			return true;
		}
	}
	return false;
};


function $() {
	var elements = new Array();
	for (var i = 0; i < arguments.length; i++) {
		var element = arguments[i];
		if (typeof element == 'string')
			element = document.getElementById(element);
		if (arguments.length == 1)
			return element;
		elements.push(element);
	}
	return elements;
}

// Sample Usage:
/*var obj1 = document.getElementById('element1');
var obj2 = document.getElementById('element2');
function alertElements() {
  var i;
  var elements = $('a','b','c',obj1,obj2,'d','e');
  for ( i=0;i*/
	   
	   



/* CHECK/UNCHECK ALL TOGGLE  */
function checkAll(checkname, exby) {
	
  for (i = 0; i < checkname.length; i++)
  checkname[i].checked = exby.checked? true:false
}