var standardFontSize =  100;
var minFontSize =  80;
var maxFontSize = 120;
var defaultStyle = "Standard";

var debug_script = false;
var prefsLoaded = false;
var currentFontSize = standardFontSize;


function do_template_specific_stuff(){
}

function toggleElastic(){
	var switchTo = (currentStyle == "Standard") ? "Elastic" : "Standard";
 	document.body.className = switchTo;
}


function setWidth(width){

	if(width != "Elastic"){
		document.body.className = '';
        currentStyle = "Standard";
	}else{
		document.body.className = 'bodyElastic';
		currentStyle = "Elastic";
	}
}



	function basedStyles(){
		currentFontSize = standardFontSize;
		ScaleFontSize(0);
	}


	function ScaleFontSize(sizeDifference){
		currentFontSize = parseInt(currentFontSize) + parseInt(sizeDifference * 5);

		if(currentFontSize > maxFontSize){
			currentFontSize = maxFontSize;
		}else if(currentFontSize < minFontSize){
			currentFontSize = minFontSize;
		}
		setFontSize(currentFontSize);
	}

	function setFontSize(fontSize){
		if(debug_script){alert ('fontsize is being set: ' + fontSize);}
		var stObj = (document.getElementById) ? document.getElementById('content_area') : document.all('content_area');
		document.body.style.fontSize = fontSize + '%';
	}


	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;
	    }
	  }
	}

	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;
	}


	function text_risize() {
		if(debug_script){  alert('window.onload firing');}

			cookie = readCookie("pageWidth");
			currentStyle = cookie ? cookie : "Standard";
			setWidth(currentStyle);


			var cookie = readCookie('style');
			var title = (cookie) ? cookie : getPreferredStyleSheet();
			setActiveStyleSheet(title);

			cookie = readCookie("fontSize");
			currentFontSize = (cookie) ? cookie : standardFontSize;
			setFontSize(currentFontSize);

			do_template_specific_stuff();

		if(debug_script){alert('window.onload is exiting');}
	}


	window.onunload = function(e) {
		if(debug_script){ alert('onunload is firing'); }

		  createCookie("pageWidth", currentStyle, 500);

		var title = getActiveStyleSheet();
		createCookie("style", title, 500);

		createCookie("fontSize", currentFontSize, 500);

		if(debug_script){ alert('onunload is firing'); }
	};