function popup(fer,w,h) {
	if (!w) w = 700;
	if (!h) h = 500;
	var left = screen.availWidth / 2 - w/2;
	var top = screen.availHeight / 2 - h/2;
	
	window.open( fer , '', 'width='+w+',height='+h+',scrollbars=yes,status=no,toolbars=no,menubar=no,resizable=yes,left=' + left + ',top=' + top);
}

function change_list(val , dsbl) {
	if (val==0) {
		location.href=base_href+'newsletter/list_add.php';
	} else {
		if (val>0) location.href=base_href+'newsletter/list_change.php?lid='+val;
	}
}

function confirm_link(url,message) {
	if (confirm(message)) {
		location.href=base_href+url;
	}
}

function m_over(row,nr,i_name) {
	row.className='mnu_o';
	row.style.background="#316AC5";
	if (i_name!='') {
		document.getElementById("icon"+nr).src="i/icon/"+i_name+"_o.gif";
	}
	document.getElementById("arr"+nr).src="i/m-arr_o.gif";
}

function m_out(row,nr,i_name) {
	row.className='mnu';
	row.style.background="#F6F5F0";
	if (i_name!='') {
		document.getElementById("icon"+nr).src="i/icon/"+i_name+".gif";
	}
	document.getElementById("arr"+nr).src="i/m-arr.gif";
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function disable_answers(o,i,max_a) {
	for (x=1;x<=max_a;x++) {
		if (o.checked) {
			document.getElementById("answer_"+i+"_"+x).disabled="disabled";
			document.getElementById("points_"+i+"_"+x).disabled="disabled";
		} else {
			document.getElementById("answer_"+i+"_"+x).disabled="";
			document.getElementById("points_"+i+"_"+x).disabled="";
		}
	}
}