// UrlRequest
// Permite solicitar la informacion de los valores enviados a traves de peticiones GET
function UrlRequest()
{
	this._href = document.location.href;
	this.Item = UrlRequest_Item;
}

function UrlRequest_Item( Index )
{
	begin = this._href.indexOf( Index );
	if( begin < 0 )
		return null;
	
	begin += Index.length;
	
	end = this._href.indexOf( '&', begin );
	if( end < 0 )
		end = this._href.length;
	
	return this._href.substring( begin + 1, end );
}

// End