function change(site1,i1,site2,i2)
 {
  parent.frames[i1].location.href=site1;
  parent.frames[i2].location.href=site2;
 }
 
function change3(site1,i1,site2,i2,site3,i3)
 {
  parent.frames[i1].location.href=site1;
  parent.frames[i2].location.href=site2;
  parent.frames[i3].location.href=site3;
 } 

function WindowOpen(datei,name,attribute) {
 MeinFenster = window.open(datei,name,attribute);
 MeinFenster.focus();
}

function WindowClose(name) {
 MeinFenster = window.close(name);
}

function WindowResize(xsize,ysize) {
 self.resizeTo(xsize,ysize);
}