function video(URL,WTITLE) {
l = (screen.width-500)/2; 
t = (screen.height-500)/2; 
f= 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=500,height=500,left ='+ l
f+=',top ='+ t;
window.open(URL, "Video", f);
}

function himenu(nr){
id="m"+nr;
document.getElementById(id).style.background='#e9f5f8';
}