if(screen.width >= 1024)
 document.write("<link rel='stylesheet' href='../helpers/css/main.css'>");
else
 document.write("<link rel='stylesheet' href='../helpers/css/main_s.css'>");
 
d = new Image();
d.src = "../helpers/images/down.gif";
d_b = new Image();
d_b.src = "../helpers/images/down_b.gif";
u = new Image();
u.src = "../helpers/images/up.gif";
u_b = new Image();
u_b.src = "../helpers/images/up_b.gif";
d_vers_r = new Image();
d_vers_r.src = "../helpers/images/druck_r1.gif";
d_vers = new Image();
d_vers.src = "../helpers/images/druck.gif";
d_vers_r_e = new Image();
d_vers_r_e.src = "../helpers/images/druck_r1_e.gif";
d_vers_e = new Image();
d_vers_e.src = "../helpers/images/druck_e.gif";