/**
 * @author sbuchbin
 * 
 *   query.js
 *   	- Responsible for parsing the queryString (url) into name/value pairs 
 *   
 *   	getURLVar(<string>) 
 *   			- returns the queryString value of the variable <string>
 *   			z
 */


var urlHalves = String(document.location).split('?');

var url = urlHalves[0];


if(urlHalves[1])
{
	// load all the name/value pairs into an array
	var queryVars = urlHalves[1].split('&');
}

function getURLVar( urlVarName ) 
{
	var urlVarValue = '';
	
	for(var i = 0; i < queryVars.length; i++)
	{
		if(queryVars[i])
		{
			var urlVarPair = queryVars[i].split('=');
			
			if(urlVarPair[0] && urlVarPair[0] == urlVarName)
			{
				urlVarValue = urlVarPair[1];
			}
		}
	}
	
	return urlVarValue;
	
}