function $ID(id){
  return document.getElementById(id);
}

function setActiveStyleSheet(title) {
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if ((a.getAttribute("rel")=="alternate stylesheet") && (a.getAttribute("tip")=="vel")) {
    
      if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
      }
    }
    
    
  }
}

function setActiveStyleSheetColors(title) {
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if ((a.getAttribute("rel")=="alternate stylesheet") && (a.getAttribute("tip")=="boja")) {
    
      if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
      }
    }
    
    
  }
 
 hImg = $ID("headerPic"); 
 
  if(title=="web"){   
    hImg.src = hImg.name;
  }
  else if(title=="web1"){   
    hImg.src = hImg.name.replace(".jpg", "1.jpg");
  }
  else if(title=="web2"){ 
    hImg.src = hImg.name.replace(".jpg", "2.jpg");
  }
  else if(title=="web3"){ 
    hImg.src = hImg.name.replace(".jpg", "3.jpg");
  }
  
  else if(title=="web4"){ 
    hImg.src = hImg.name.replace(".jpg", "4.jpg");
  }
  else if(title=="web5"){ 
    hImg.src = hImg.name.replace(".jpg", "5.jpg");
  }
}

function getActiveStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
  if ((a.getAttribute("rel")=="alternate stylesheet") && (a.getAttribute("tip")=="vel")) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
    }
  }
  return null;
}

function getActiveStyleSheetColors() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
  if ((a.getAttribute("rel")=="alternate stylesheet") && (a.getAttribute("tip")=="boja")) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
    }
  }
  return null;
}

function getPreferredStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1
       && a.getAttribute("rel").indexOf("alt") == -1
       && a.getAttribute("title")
       ) return a.getAttribute("title");
  }
  return null;
}

function createCookie(name,value,days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = "; expires="+date.toGMTString();
  }
  else expires = "";
  document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  }
  return null;
}

window.onload = function(e) {
  var cookie = readCookie("style");
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
  
  cookie = readCookie("style2");
  title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheetColors(title);
}

window.onunload = function(e) {
  var title = getActiveStyleSheet();
  createCookie("style", title, 365);
  
  var title = getActiveStyleSheetColors();
  createCookie("style2", title, 365);
}

/*
var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title); */

//
//
//
//