var is_opera = (navigator.userAgent.indexOf("Opera")!=-1);
var newWin;

function winopen(fname){
var hw = "resizable=yes,scrollbars=yes,width=780,height=580";
var url = "/exib/CodexSinaiticus/show_img.php?n=" + fname;
if(!newWin || newWin.closed || is_opera){
    newWin= window.open(url,"new", hw);
	if(newWin.focus) newWin.focus();
    }
	else {
    newWin.location.href = url;
    if(newWin.focus) newWin.focus();
    }
}  

function winopen1(fname){
	var hw = "resizable=yes,scrollbars=yes,width=780,height=580";
	var url = "/exib/CodexSinaiticus/" + fname + ".html";
if(!newWin || newWin.closed || is_opera){		
    newWin= window.open(url,"new", hw);
    if(newWin.focus) newWin.focus();
    }
	else {			
    newWin.location.href = url;
    if(newWin.focus) newWin.focus();
    }
}

function winopen2(fname,t){
var hw = "resizable=yes,scrollbars=yes,width=1000,height=600";
if(t==1) var url = "/exib/CodexSinaiticus/show_img_n.php?n=" + fname;
else var url = "/exib/CodexSinaiticus/show_img_cs.php?n=" + fname;
if(!newWin || newWin.closed || is_opera){
    newWin= window.open(url,"new", hw);
	if(newWin.focus) newWin.focus();
    }
	else {
    newWin.location.href = url;
    if(newWin.focus) newWin.focus();
    }
}