function my_popup(FORMULAR_URL,dweite,dhoehe,dtop,dleft)
{
var TEXT_BEI_BLOCKIEREN_VON_POPUPS = "Popup-Blocker";
if(dweite == "all"){dweite = screen.availWidth;}
if(dhoehe == "all"){dhoehe = screen.availHeight;}
var screenw = screen.availWidth;
screenw = screenw - 800;
var screenh = screen.availHeight;
screenh = screenh - 335;
var posx = (screenw / 2);
var posy = (screenh / 2);
if(dtop == 1){posy = 0;}
if(dleft == 1){posx = 0;}
var win=window.open(FORMULAR_URL,"NEWWINDOW","top = "+posy+",left = "+posx+", resizable = yes, menubar = no,scrollbars = yes,height = "+dhoehe+",width = "+dweite+" ");
if(win == null){
alert(TEXT_BEI_BLOCKIEREN_VON_POPUPS);
}
else{
win.window.focus();
}
}