var agt=navigator.userAgent.toLowerCase();
var is_nav  = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1)
               && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1)
               && (agt.indexOf('webtv')==-1));
var is_major = parseInt(navigator.appVersion);
var is_opera = (agt.indexOf("opera") != -1);
var not_nav6 = (is_nav && (is_major < 5));
var isNN=(navigator.appName=="Netscape");

function detectWidth(){
	if(isNN){
		if(not_nav6){
    		return window.innerWidth-16;
		}else{
			return window.innerWidth-15;
		}
	}else if(is_opera){
		return window.innerWidth;
	}else{
		return document.body.clientWidth;
	}
}

function detectHeight(){
	if(is_nav){
		if(not_nav6) {
			return window.innerHeight+4;
		} else{
			return window.innerHeight+4;
		}
	} else if(is_opera) {
		return window.innerHeight+10;
	} else {
		return document.body.clientHeight+5;
	}
}

function zoomPic(lng, pic){
  windowVar = window.open("zoom.html","Zoom","toolbar=no,location=no,diretories=no,scrollbars=yes,status=yes,menubar=no,resizable=yes,top=50,left=50,height=500,width=650");
  zoom(lng, pic);
  windowVar.focus();
}

function zoom(lng, pic){
var text="<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.0 Transitional//EN'>\n";
text+="<html><head><title>Zoom</title>\n";
text+="<link rel='stylesheet' href='../sheets/mainstyle.css' type='text/css'>\n";
text+="</head>\n\n";
text+="<body onblur='javascript:close()' bgcolor='#759985'>\n";
text+="<table border='0' align='center'><tr><td>";
text+="<img src='../img/"+pic+"' border=1><br clear='all'><br>\n";
text+="</td></tr></table>";
text+="<table border='0' align='center' width='100%'><tr><td align='right'>";
text+="<a href='javascript:focus();window.close();' class='menu'>";
if(lng == "sr"){
   text+="zatvori <br clear='all'><br></a>\n";
}else{
   text+="close <br clear='all'><br></a>\n";
}
text+="</td></tr></table>";
text+="</body></html>\n";
windowVar.document.write(text);
}