// JavaScript Document
function returnObjById( id )
{
	if (document.getElementById)
		var returnVar = document.getElementById(id);
	else if (document.all)
		var returnVar = document.all[id];
	else if (document.layers)
		var returnVar = document.layers[id];
	return returnVar;
}

function returnObjByName( name )
{
	if (document.getElementByName)
		var returnVar = document.getElementByName(name);
	else if (document.all)
		var returnVar = document.all[name];
	else if (document.layers)
		var returnVar = document.layers[name];
	return returnVar;
}

function trim (strIn)
{
	return strIn.replace(/^\s+|\s+$/g, "");
}

function validateFileTypes (strFileName, strFileExt)
{
	if (strFileExt == undefined)
		strFileExt = "jpg|gif|png|jpeg";

	return new RegExp("\.(" + strFileExt + ")$", "i").test(strFileName);
}