var cssTitle = new Array()
cssTitle[0] = "pink";
cssTitle[1] = "purple";
cssTitle[2] = "blue";
cssTitle[3] = "green";

function setStyleCookie(styleValue){
if (!styleValue){styleValue = 0;}
var date = new Date();
date.setTime(date.getTime()+(365*24*60*60*1000));
var expires = "; expires="+date.toGMTString();
currStyleCookie = "style"+"="+styleValue+expires+"; path=/";
document.cookie = currStyleCookie;
}

function getStyleCookie(){
isStyleStr = document.cookie;
var searchStr = "style=";
var cookieContent = isStyleStr.split(';');
var isStyleValue = 0
for(var i=0;i < cookieContent.length;i++) {
                                                var tempStr = cookieContent[i];
                                                while (tempStr.charAt(0)==' ') {tempStr = tempStr.substring(1,tempStr.length);}
                                                if (tempStr.indexOf(searchStr) == 0) {isStyleValue = tempStr.substring(searchStr.length,tempStr.length);}

}
if (isStyleValue != 0 && isStyleValue != 1 && isStyleValue != 2 && isStyleValue != 3) {isStyleValue = 0;}
isStyleSheet = cssTitle[isStyleValue];
return isStyleSheet;
}

function initStyle(isStyle){
setStyleCookie(isStyle);
setStyleCSS();
}

function setStyleCSS(){
useSheet = getStyleCookie();
var i, a;
  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") == useSheet) {a.disabled = false;}
    }
  }
}