function abre_web() {
	url = "http://www.unifeg.edu.br:8080/webacademico/menu";
    windowname = "web";
    features = "toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=no,menubar=no, width=790,height=500,xpos=0,ypos=5,scrollbars=yes";
    window.open(url,windowname,features);
}