function isArray(testObject) {   
    return testObject && !(testObject.propertyIsEnumerable('length')) && typeof testObject === 'object' && typeof testObject.length === 'number';
}

function submitForm(which) {
	which.submitted.value = 'yes';
	which.submit();
}

function popUp(url,width,height,scrollbars,resizable,querystring,windowname) {
	/*
	Ultimate Pop Up Script
	Simple Example <a href="javascript:void(0);" onclick="popUp('test.php')">Pop Up</a>
	Normal Example <a href="javascript:void(0);" onclick="popUp('test.php','200','300')">Test</a>
	Full Example   <a href="javascript:void(0);" onclick="popUp('test.php','200','300', 0, 1,'?cid=1', 'popup1')">Test 2</a>
	
	To use default just use null in t place of the variable
	  IE: <a href="javascript:void(0);" onclick="popUp('test.php','200','300', null, null,'?cid=1', 'popup1')">Test 2</a>
	  This uses the default variable for scrollbars and resizable
	*/ 
	if(typeof width == "undefined" || width == null)	var width	= 500;
	if(typeof height == "undefined" || height == null)	var height	= 400;
	
	if(typeof scrollbars == "undefined" || scrollbars == null)		var scrollbars	= 0;
	if(typeof resizable == "undefined" || resizable == null)		var resizable	= 0;
	if(typeof querystring == "undefined" || querystring == null)	var querystring	= '';
	if(typeof windowname == "windowname" || windowname == null)		var windowname	= 'popup';
	
	var full_url = url + querystring;

	var w;
	w = window.open(full_url, windowname, "width="+width+",height="+height+",toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars="+scrollbars+",resizable="+resizable);
	w.focus();
}

function isValidEmail(str) {
	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	if (str.indexOf(at)==-1) return false;
	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr)  return false;
	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr) return false;
	if (str.indexOf(at,(lat+1))!=-1) return false;
	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot) return false;
	if (str.indexOf(dot,(lat+2))==-1) return false;
	if (str.indexOf(" ")!=-1) return false;
	return true;
}