function showwnd(url,wnd,width,height)
{
	return window.open(url,'',"width="+width+",height="+height+",left="+((screen.width-width)/2)+",top="+((screen.height-height)/2));
}
function changeCheckBox(control,checked) {
    if (checked==2) {
        var val=document.getElementById(control).checked;
        if (val==true) val=false; else val=true;
    } else {
        val=(checked==0)?false:true;
    }

    document.getElementById(control).checked=val;
    document.getElementById(control+"_img").src="http://195.228.74.156/staticimages/"+(val?"checkbox_on.gif":"checkbox_off.gif");
    
}
function reload_median() {
	var same=Math.floor(Math.random()*1000000);
	same=same+sameext;
	document.getElementById("median").innerHTML='<img style="position:absolute;top:-100px;left:-100px" src="http://audit.median.hu/cgi-bin/track.cgi?uc=11775870501153&dc=1&ui='+same+'" width="1" height="1">';
}