function surfto() 
{
window.open("hiprema_video.html","main","menubar=1,toolbar=0,location=500,directories=0,status=1,copyhistory=0,width=500,height=500,left=250,top=150");
}

function surfto1() 
{
window.open("../hiprema_video.html","main","menubar=1,toolbar=0,location=500,directories=0,status=1,copyhistory=0,width=500,height=500,left=250,top=150");
}