function setActiveStyleSheet(title) {
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel")) {
      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")) {
      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")) {
      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;
}

/* Clear_Input Function */
function cleartxt(idvalue){
	document.getElementById(idvalue).value = "";
	document.getElementById(idvalue).onfocus = "";
}

/*FontSize*/
if(document.layers){
	document.write('<link href="/wp-content/themes/kasahara/css/fsize_m.css" rel="stylesheet" type="text/css" />');
}else{
	document.write('<link href="/wp-content/themes/kasahara/css/fsize_m.css" rel="stylesheet" type="text/css" title="medium" media="screen,tv,projection,print" />');
	document.write('<link href="/wp-content/themes/kasahara/css/fsize_s.css" rel="alternate stylesheet" type="text/css" title="small" media="screen,tv,projection,print" />');
	document.write('<link href="/wp-content/themes/kasahara/css/fsize_l.css" rel="alternate stylesheet" type="text/css" title="large" media="screen,tv,projection,print" />');
}

/*FontSize cascade*/
window.onload = function(e) {
  var cookie = readCookie("style");
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
}

window.onunload = function(e) {
  var title = getActiveStyleSheet();
  createCookie("style", title, 60);
}

var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);


/*print function*/
str = location.search;
str = str.substring(1,str.length);
if (str == "print") {
	document.write('<link href="/wp-content/themes/kasahara/css/print.css" media="screen,tv,projection,print" rel="stylesheet" type="text/css">');
	var cookie = readCookie("style");
	if(cookie == "large"){
		document.write('<link href="/wp-content/themes/kasahara/css/fsize_l.css" media="screen,tv,projection,print" rel="stylesheet" type="text/css">');
	}else if(cookie == "medium"){
		document.write('<link href="/wp-content/themes/kasahara/css/fsize_m.css" media="screen,tv,projection,print" rel="stylesheet" type="text/css">');
	}else if(cookie == "small"){
		document.write('<link href="/wp-content/themes/kasahara/css/fsize_s.css" media="screen,tv,projection,print" rel="stylesheet" type="text/css">');
	}
}

