function getURLParam(strParamName)
{
	var strReturn = '';
	var strHref = window.location.href;
	var urlParamChar;
	var pound_pos = strHref.indexOf('#');
	var question_pos = strHref.indexOf('?');
	if (question_pos > -1 || pound_pos > -1)
	{
		if (question_pos < pound_pos && question_pos > -1) urlParamChar = question_pos;
		else urlParamChar = pound_pos;
		var strQueryString = strHref.substr(urlParamChar + 1);
		strQueryString = strQueryString.replace('#','&');
		strQueryString = strQueryString.replace('?','&');
		var aQueryString = strQueryString.split('&');
		for ( var iParam = 0; iParam < aQueryString.length; iParam++ )
		{
			if (aQueryString[iParam].indexOf(strParamName + '=') == 0)
			{
				var aParam = aQueryString[iParam].split('=');
				strReturn = aParam[1];
				break;
			}
		}
	}
	return strReturn;
}	

function checkURL(url) 
{
 	patron = /^(((ht|f)tp(s?))\:\/\/)([0-9a-zA-Z\-]+\.)+[a-zA-Z]{2,6}(\:[0-9]+)?(\/\S*)?$/;
 	return patron.test(url);
}