/**
 MAPLE LIFE, INC.
 
 Created by Vincent Perlerin
 For 		WebFirst, Inc
 6/16/2006
 
 */
 
 /** 
 		TEXT SIZE       
		CSS - switcher		
		
*/
 
 
/** 
 	Set Active CSS
 */
function setActiveStyleSheet(title) {
  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;
    }
  }
}

/** 
 	Return Active CSS
 */
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;
}

/** 
 	Get Current CSS
 */
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;
}


/** 
 	Create Cookie for preferred CSS
 */
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=/";
}

/** 
 	Read Cookie for preferred CSS
 */
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;
}


/** 
 	Increase font size 
 */
function upFont() {
		var activeStyleSheet = getActiveStyleSheet();
		if("css2" == activeStyleSheet) {
				setActiveStyleSheet("css3");
		} else
		if("css1" == activeStyleSheet) {
				setActiveStyleSheet("css2");
		} else
		if("css3" == activeStyleSheet) {
				setActiveStyleSheet("css4");
		}
		window.location.reload(); /* For FIREFOX AND NETSCAPE */
}


/** 
 	Decrease font size 
 */
function downFont() {
		var activeStyleSheet = getActiveStyleSheet();
		if("css2" == activeStyleSheet) {
				setActiveStyleSheet("css1");
		} else
		if("css3" == activeStyleSheet) {
				setActiveStyleSheet("css2");
		} else
		if("css4" == activeStyleSheet) {
				setActiveStyleSheet("css3");
		}
		
		window.location.reload(); /* For FIREFOX AND NETSCAPE */
}


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, 365);
}

var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);
