function GlobalValidation_IsValidURL(strURL)
{
	var reFilter = new RegExp();
	reFilter.compile("^http://[A-Za-z0-9-]+\.[A-Za-z0-9]+");
	return (reFilter.test(strURL));
}

function GlobalValidation_IsValidEmailAddress(strAddress)
{
	strAddress = strAddress.replace(/^\s+/,'').replace(/\s+$/,'');
	var reFilter = /^([a-zA-Z0-9_\.\-\'\&])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	return (reFilter.test(strAddress));
}

function GlobalValidation_IsInteger(s)
{   
    var i;
    for (i = 0; i < s.length; i++)
    {   
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    return true;
}