//-------------------------------------------------------
function strTrim(tmpStr)
{
	tmpStr = tmpStr.replace(/^\s+/,"");//remove leading
	tmpStr = tmpStr.replace(/\s+$/,"");//remove trailing
	return tmpStr;
}
//-------------------------------------------------------
function trimFields()
{
	for(var i=0; i < obj.elements.length; i++)
	{
		if(obj.elements[i].type == "text" || obj.elements[i].type == "textarea" || obj.elements[i].type == "password")
		{
			obj.elements[i].value = strTrim(obj.elements[i].value);
		}
	}
}
//-----------------------------------------------------
function chkEmail(tmpStr)
{
	var email_pat = /^[a-z0-9][a-z0-9_\.\-]*[a-z0-9]@[a-z0-9]+[a-z0-9\.\-_]*\.[a-z]+$/i;
	return(email_pat.test(tmpStr));
}
//------------------------------------------------------
function refreshCaptcha(imgid)
{
	var img = new Image();
	img.src = 'captcha/show_captcha.php?hash='+parseInt(Math.random() * 10000000000);
	document.getElementById(imgid).src = img.src;
}
//------------------------------------------------------
function chkPromoCode(tmpStr)
{
	var promo_pat = /^[A-Z0-9]+$/;
	return(promo_pat.test(tmpStr));
}
//------------------------------------------------------------------------------------
function NewWindow(pageName)
{
	window.open(pageName, '', 'width=520,height=600,toolbar=0,menubar=0,location=0,left=0,top=0,scrollbars=1');
}
//------------------------------------------------------------------------------------
function NewvideoShow(pageName)
{
	window.open(pageName, '', 'width=450,height=400,toolbar=0,menubar=0,location=0,left=275,top=200');
}