$(document).on('ready',ready);
function ready(){
	centrar('#container','body');
}

function centrar(contenedor,body){
	var bo=$(""+body+"");
	var con=$(""+contenedor+"");
	var body_h=bo.height();
	var body_w=bo.width();

	var con_h=con.height();
	var con_w=con.width();

	var all_h=(body_h-con_h)/2;
	var all_w=(body_w-con_w)/2;

	con.css('top',all_h);
	con.css('left',all_w);	
}