function midtwin(side, navn,h,w,vertical_adj,wscroll)
{


var winl = (screen.availWidth - w) / 2;
var wint = ((screen.availHeight - h) / 2)-vertical_adj;
winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+wscroll;

window.open(side,navn, winprops)
}