function doOnLoad()
{
	MM_preloadImages('${pageContext.request.contextPath}/images/layout2/BLgradientA.jpg',
	'/satsurvey/images/layout2/btn_vohome_ov.gif',
	'/satsurvey/images/layout2/btn_vohome_.gif',
	'/satsurvey/images/layout2/hdr_treatment.gif',
	'/satsurvey/images/layout2/Header_Logo.jpg',
	'/satsurvey/images/layout2/box_prvID.gif',
	'/satsurvey/images/layout2/please.gif',
	'/satsurvey/images/layout2/group.gif');

}

//Trims white spaces on both ends.
function trim(stringToTrim) {
	return stringToTrim.replace(/^\s+|\s+$/g,"");
}


function isAlphaNum(sText)
{
	//alert('started sText.length='+sText.length);
	var ValidChars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890";
	var IsAlphabetic=true;
	var Char;
	for (i = 0; i < sText.length; i++)
	{
		Char = sText.charAt(i);
		if (ValidChars.indexOf(Char) == -1)
		{
			IsAlphabetic = false;
		}
	}
	return IsAlphabetic;
}