var styleState = 0;

function toolRollOver(which, state) {
    theImg=eval("document.tool" + which);

    if (state && styleState != which) {
        tmp = theImg.src.replace("_of", "_ov");
        theImg.src = tmp;
    } else {
        if(styleState != which) {
            tmp = theImg.src.replace("_ov", "_of");
            theImg.src = tmp;
        }
    }
}

function switchStyleState(which) {


    if (document.tool0) {
        styleState = which;
        if (styleState) {
            document.tool0.src = document.tool0.src.replace("_ov", "_of");
            document.tool1.src = document.tool1.src.replace("_of", "_ov");
            createCookie("style", "1", 365);
        } else {
            document.tool0.src = document.tool0.src.replace("_of", "_ov");
            document.tool1.src = document.tool1.src.replace("_ov", "_of");
            createCookie("style", null, 365);
        }
    }
}


function setActiveStyleSheet(title) {
    if (title=="Default" || title == null || title == "null") {
        switchStyleState(0);
    } else {
        switchStyleState(1);
    }

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

function getActiveStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    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) {
    initDocument();
}


function checkTitle() {
    li = document.title.lastIndexOf("#");
    if (li > 0) {
        document.title=document.title.substring(0,li);
    }        
}

function initDocument() {
    cookie = readCookie("style");
    if(cookie == "null")
        cookie = 'Default';
    title = cookie ? cookie : getPreferredStyleSheet();
    setTimeout("setActiveStyleSheet(cookie);", 100);
    setTimeout("checkTitle();", 100);
}