function imagens(valor){
	var imgPL = new Array("bg_1.jpg", "bg_2.jpg", "bg_3.jpg", "bg_4.jpg");
  		// randomiza os arrays
  	var n1 = Math.floor(Math.random()*imgPL.length);
  	var url_imgs = "http://solto.com.br/themes/solto/images/"+imgPL[n1];
  	
  	// adiciona as images e os textos
  	$("body").css({background: "#252216 url("+url_imgs+") center top no-repeat"});
  	
}

$(document).ready(function(){
		
  	TB_init;
  	imagens();
  	
})