var isNav4, isIE4, isMac;
if (parseInt(navigator.appVersion.charAt(0)) >= 4) {
  isNav4 = (navigator.appName == "Netscape") ? true : false
  isNav6 = (navigator.appName == "Netscape" && parseInt(navigator.appVersion) == 5) ? true : false
  isIE4  = (navigator.appName.indexOf("Microsoft") != -1) ? true : false
  isMac  = (navigator.platform.indexOf("Mac") != -1) ? true : false
}

function doSubWinTwo (url, winWidth, winHeight) {
  if (isNav4 || isIE4) {
    var screenPosX,screenPosY;
    screenPosX = (screen.availWidth - winWidth) / 2;
    screenPosY = (screen.availHeight - winHeight) / 2;
    if (isNav4 || isNav6) {
      window.open(url, 'subwin','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0, copyhistory=0,width='+winWidth+',height='+winHeight+',screenX='+screenPosX+',screenY='+screenPosY+'');
    }
    if (isIE4) {
      newwin = window.open(url, 'subwin','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0, copyhistory=0,width='+winWidth+',height='+winHeight+',left='+screenPosX+',top='+screenPosY+'');    
    }
  } else {
    window.open(url, 'subwin','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0, copyhistory=0,width='+winWidth+',height='+winHeight);
  }
}


function doSubWinNotes(url, winWidth, winHeight) {
  if (isNav4 || isIE4) {
    var screenPosX,screenPosY;
    screenPosX = (screen.availWidth - winWidth) / 2;
    screenPosY = (screen.availHeight - winHeight) / 2;  
    if (isNav4 || isNav6) {   
      window.open(url, 'subwin','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1, copyhistory=0,width='+winWidth+',height='+winHeight+',screenX='+screenPosX+',screenY='+screenPosY+'');
    }
    if (isIE4) {
      newwin = window.open(url, 'subwin','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1, copyhistory=0,width='+winWidth+',height='+winHeight+',left='+screenPosX+',top='+screenPosY+'');    
    }
  } else {
    window.open(url, 'subwin','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1, copyhistory=0,width='+winWidth+',height='+winHeight+'');
  }
}


//=================================
//  SCREENSHOT
//=================================

function screenshot() { 
	window.open('screenshot2.html', 'open_window', 'menubar=yes, toolbar=no, location=no, directories=no, status=no, scrollbars=no, resizable=no, width=700, height=500, left=50, top=50'); 
} 


//=================================
//  UTILITIES
//=================================

function postToDelicious () {
	var delicousURL = "http://del.icio.us/post?url=" + encodeURIComponent(document.location.href) + "&title=" + encodeURIComponent(document.title);
	
	var objDelisiousTags = document.getElementById('deliciousTags');
	if (objDelisiousTags) {
		delicousURL = delicousURL + "&tags=" + encodeURIComponent (objDelisiousTags.getAttribute('tags'));
//		delicousURL = "http://zykloid.com";
	}
	
	location.href = delicousURL;
}