$(document).ready(function() {
	var a=new Array();
	a[0] = 'http://websco.com.mx/sandbox/blogtaco/imgs/1.jpg';
	a[1] = 'http://websco.com.mx/sandbox/blogtaco/imgs/2.jpg';
	a[2] = 'http://websco.com.mx/sandbox/blogtaco/imgs/3.jpg';
	a[3] = 'http://websco.com.mx/sandbox/blogtaco/imgs/4.jpg';
	var p = a.length;
	var r = Math.round(Math.random()*(p-1));
	$('#profile_image').attr('src',a[r]);
});