// JavaScript Document



function bookmarkUs()

{

  if (document.all) {

    window.external.AddFavorite ("http://www.andhraguide.com/", "Diksuchi-The navigational guide");

  }

  else {

  var msg = "Press CTRL-D to bookmark us!";

  if(navigator.appName == "Netscape") alert(msg);

  }

}



function snark()

{

  if (top.location != location) {

    top.location.href = document.location.href ;

  }

}



function setPreference()

{

	if (document.preference.newwindow.checked) setNavigationStyle(1);

	else setNavigationStyle(0);

	alert("Your preference has been saved");

}



function getCookieExpireDate(noDays){

  var today = new Date()

  var expr = new Date(today.getTime()+noDays*24*60*60*1000)

  return  expr.toGMTString()

  }



function setCookie (name, value, noOfDays, path, domain, secure) 

{

  document.cookie = name + "=" + escape (value) +

    ((noOfDays) ? "; expires=" + getCookieExpireDate(noOfDays) : "") +

    ((path) ? "; path=" + path : "/") +

    ((domain) ? "; domain=" + domain : "") +

    ((secure) ? "; secure" : "");

}



function getCookie(name) 

{

    var start = document.cookie.indexOf(name+"=");

    var len = start+name.length+1;

    if ((!start) && (name != document.cookie.substring(0,name.length))) return null;

    if (start == -1) return null;

    var end = document.cookie.indexOf(";",len);

    if (end == -1) end = document.cookie.length;

    return unescape(document.cookie.substring(len,end));

}



function deleteCookie(name)

{ 

  var cookieValue = getCookie(name);

  if ((cookieValue != null) && (cookieValue != ""))

    {

		var exp = new Date(); 

		exp.setTime(exp.getTime() - 1); 

		document.cookie = name + "=" + "; expires=" + exp.toGMTString();

    }

}



function maximizeWindow(){

	top.window.moveTo(0,0);

	top.window.resizeTo(screen.width,screen.height);

}





var navigationStyle = 0;

var agent_isIE = true;

var agent_isNS = false;

var detect = navigator.userAgent.toLowerCase();

var OS,browser,version,total,thestring;



doBrowserCheck();

getNavigationStyle();



function checkIt(string)

{

place = detect.indexOf(string) + 1;

thestring = string;

return place;

}



function getBrowserName()

{

if (checkIt('konqueror'))

{

	browser = "Konqueror";

	OS = "Linux";

}

else if (checkIt('omniweb')) browser = "OmniWeb"

else if (checkIt('opera')) browser = "Opera"

else if (checkIt('webtv')) browser = "WebTV";

else if (checkIt('icab')) browser = "iCab"

else if (checkIt('msie')) browser = "Internet Explorer"

else if (!checkIt('compatible'))

{

	browser = "Netscape Navigator"

	version = detect.charAt(8);

}

else browser = "An unknown browser";



if (!version) version = detect.charAt(place + thestring.length);



if (!OS)

{

	if (checkIt('linux')) OS = "Linux";

	else if (checkIt('x11')) OS = "Unix";

	else if (checkIt('mac')) OS = "Mac"

	else if (checkIt('win')) OS = "Windows"

	else OS = "an unknown operating system";

}

return browser;

}



function doBrowserCheck()

{

var ap = getBrowserName();

agent_isNS = ap.indexOf('Netscape') >= 0;

if (agent_isNS) agent_isIE = false;

}



function getNavigationStyle()

{

   navigationStyle = getCookie("navigationStyle");

   if (navigationStyle == null) navigationStyle = 0;

   else navigationStyle = parseInt(navigationStyle);

   return navigationStyle;

}

     

function openPopWindow(url, name, popw, poph)

{

    x = (640 - popw)/2, y = (480 - poph)/2;



    if (screen) {

        y = (screen.availHeight - poph)/2;

        x = (screen.availWidth - popw)/2;

    }



    window.open(url, name, 'toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=no,resizable=no,copyhistory=no,width=' + popw + ',height='+ poph +',screenX='+x+',screenY='+y+',top='+y+',left='+x);

}



function openMainLink(link)

{

    var returnValue = true;

    if (navigationStyle == 1) 

    {

	window.open(link.href,"_blank");

	returnValue = false;

    }

    return returnValue;

}



function open_link(link)

{

    var returnValue = true;

    if (navigationStyle == 1) 

    {

	window.open(link.href,"_blank");

	returnValue = false;

    }

    return returnValue;

}


function setNavigationStyle(input)

{

  setCookie("navigationStyle", input, 365, "/", "andhraguide.com");

}