/* - Javascript ------------------------- */
	/* - Domain: rfl-lachinger -------------- */

	//  Change Fontsize (joomla.de)
	//  -------------------------
			var prefsLoaded 		= false;
			var defaultFontSize = 82;
			var currentFontSize = defaultFontSize;

			function revertStyles() {	currentFontSize = defaultFontSize; changeFontSize(0); }
			function toggleColors() {	if(currentStyle == "White"){ setColor("Black");	} else { setColor("White");	} }

			function changeFontSize(sizeDifference) {
				currentFontSize = parseInt(currentFontSize) + parseInt(sizeDifference * 5);
				if(currentFontSize > 100) { currentFontSize = 100;	} else if(currentFontSize < 82) {	currentFontSize = 82;	}
				setFontSize(currentFontSize); };

			function setFontSize(fontSize) { 
			var stObj = (document.getElementById) ? document.getElementById('content_area') : document.all('content_area'); 
			document.body.style.fontSize = fontSize + '%';
			//alert (document.body.style.fontSize);
			};

			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 = setUserOptions;

			function setUserOptions(){
				if(!prefsLoaded){
					cookie = readCookie("fontSize");
					currentFontSize = cookie ? cookie : defaultFontSize;
					setFontSize(currentFontSize);
					prefsLoaded = true;
				}

			}
			window.onunload = saveSettings;
			function saveSettings() { createCookie("fontSize", currentFontSize, 365); }