function cIniciador() 
{

	this.add = function( callback )
	{
		if ( window.addEventListener )
		{
			window.addEventListener(
				"load", 
				new Function( callback ),
				false 
			) ;
		}
		else if ( window.attachEvent )
		{
			window.attachEvent(
				"onload", 
				new Function( callback )
			) ;
		}
	}
}

var Iniciador = new cIniciador() ;