function jBodyMinWidth(_larguraMinimaDoBody)
{
	var objWindow = jQuery(window);
	var objBody = jQuery("body");
	var larguraMinimaDoBody = _larguraMinimaDoBody;
	
	ajustaDimensoesDaTela(larguraMinimaDoBody, objBody, objWindow);
	objWindow.resize(function(){
		ajustaDimensoesDaTela(larguraMinimaDoBody, objBody, objWindow);
	});
}

function ajustaDimensoesDaTela(_larguraMinimaDoBody, _objBody, _objWindow)
{
	var novaLarguraDoBody = _objWindow.width() <= _larguraMinimaDoBody ? _larguraMinimaDoBody : _objWindow.width();
	_objBody.css("width", novaLarguraDoBody +"px");
}