var URLParams = Class.create({
	initialize: function(hash)
	{
		this.hash = hash;
		this.params = [];
		
		if (this.hash.substr(0,1) == "?")
		{
			var subString = this.hash.substr(1);
			var tempParams = subString.split('&');
		
			for (var i=0; i<tempParams.length; i++)
			{
				var tempData = tempParams[i].split('=');
				this.params[i]={param: tempData[0], value: tempData[1]};
			}
		}	
  	},
  	
  	getValue: function(param)
  	{
  		for(var i=0; i<this.params.length; i++)
		{
			if(this.params[i].param==param)
			{
				return this.params[i].value;
			}
		}
    }
});