$(document).ready(function() {

$('.campo').focus(function(){$(this).toggleClass('campo_focus');});
$('.campo').blur(function(){$(this).toggleClass('campo_focus');});

$(".back").click(function(){
	window.history.go(-1);	
});

});
$.RenderAjax = function (jq){if( jq && jq.status && jq.status == '1'){if(jq.code && jq.code!= '' && jq.code!= 'undefined'){eval(jq.code);}}}

function popup(url) {
		window.open(url,"",'width=640,height=500,top=150,left=100');
}