var IMGDIR = '/style/images/';
var attackevasive = '0';
var userAgent = navigator.userAgent.toLowerCase();
var is_opera = userAgent.indexOf('opera') != -1 && opera.version();
var is_moz = (navigator.product == 'Gecko') && userAgent.substr(userAgent.indexOf('firefox') + 8, 3);
var is_ie = (userAgent.indexOf('msie') != -1 && !is_opera) && userAgent.substr(userAgent.indexOf('msie') + 5, 3);
function $(id) {
	return document.getElementById(id);
}
Array.prototype.push = function(value) {
	this[this.length] = value;
	return this.length;
}
function trim(str) {
	return (str + '').replace(/(\s+)$/g, '').replace(/^\s+/g, '');
}
function in_array(needle, haystack) {
	if(typeof needle == 'string' || typeof needle == 'number') {
		for(var i in haystack) {
			if(haystack[i] == needle) {
					return true;
			}
		}
	}
	return false;
}
function selAll(checkname)
{
	var em;
	em = document.getElementsByName(checkname);
	for(i=0;i<em.length;i++)
	{
		if(!em[i].checked)
		{
			em[i].checked=true;
		}
	}
}
function noSelAll(checkname)
{
	var em;
	em = document.getElementsByName(checkname);
	for(i=0;i<em.length;i++)
	{
		if(em[i].checked)
		{
			em[i].checked=false;
		}
	}
}

function fetchOffset(obj) {
	var left_offset = obj.offsetLeft;
	var top_offset = obj.offsetTop;
	while((obj = obj.offsetParent) != null) {
		left_offset += obj.offsetLeft;
		top_offset += obj.offsetTop;
	}
	return { 'left' : left_offset, 'top' : top_offset };
}

function doane(event) {
	e = event ? event : window.event;
	if(is_ie) {
		e.returnValue = false;
		e.cancelBubble = true;
	} else if(e) {
		e.stopPropagation();
		e.preventDefault();
	}
}