// http://www.netlobo.com/url_query_string_javascript.html
function getURLParam( name )
{
	name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
	var regexS = "[\\?&]"+name+"=([^&#]*)";
	var regex = new RegExp( regexS );
	var results = regex.exec( window.location.href );
	if( results == null )
		return "";
	else
		return results[1];
}

function isNumeric(x)
{
	// I use this function like this: if (isNumeric(myVar)) { }
	// regular expression that validates a value is numeric
	var RegExp = /^(-)?(\d*)(\.?)(\d*)$/; // Note: this WILL allow a number that ends in a decimal: -452.
	// compare the argument to the RegEx
	// the 'match' function returns 0 if the value didn't match
	var result = x.match(RegExp);
	return result;
}

function Trim(myString)
{
	return myString.replace(/^\s+/g,'').replace(/\s+$/g,'');
}