window.addEvent('domready', function() {

	// check to see if the cookie is set or not, use the right stylesheet if so
	if($chk(Cookie.read("style"))){
		var myCSS = new Asset.css("css/"+Cookie.read("style"));
	}
	
	// check to see if the cookie for font size is set, use the right size
	if($chk(Cookie.read("size"))){
		setFontSize(Cookie.read("size"));
	}
	
});


var min=8;
var max=22;
function increaseFontSize() {
   var p = document.getElementsByTagName('div');
   for(i=0;i<p.length;i++) {
      if(p[i].style.fontSize) {
         var s = parseInt(p[i].style.fontSize.replace("px",""));
      } else {
         var s = 14;
      }
      if(s!=max) {
         s += 1;
         var myCookie = Cookie.write('size', s+"px");
      }
      if(p[i].id != "controls"){
      	p[i].style.fontSize = s+"px";
      }
   }
}
function decreaseFontSize() {
   var p = document.getElementsByTagName('div');
   for(i=0;i<p.length;i++) {
      if(p[i].style.fontSize) {
         var s = parseInt(p[i].style.fontSize.replace("px",""));
      } else {
         var s = 14;
      }
      if(s!=min) {
         s -= 1;
         var myCookie = Cookie.write('size', s+"px");
      }
      if(p[i].id != "controls"){
      	p[i].style.fontSize = s+"px";
      }
   }   
}

function setFontSize(p_fontSize){
	var p = document.getElementsByTagName('div');
  for(i=0;i<p.length;i++) {
  	if(p[i].id != "controls"){
     p[i].style.fontSize = p_fontSize;
  	}else{
  		p[i].style.fontSize = "14px";
  	}
  }
}

function setTheme(p_cssFile){
			if(p_cssFile != 0){
				switch(p_cssFile){
					case 1:
						var myCSS = new Asset.css("css/main.css");
						var myCookie = Cookie.write('style', 'main.css');
						Slideshow.setBackgroundColor("FFFFFF");
						break;
						
					case 2:
						var myCSS = new Asset.css("css/css2.css");
						var myCookie = Cookie.write('style', 'css2.css');
						Slideshow.setBackgroundColor("000000");
						break;
						
					case 3:
						var myCSS = new Asset.css("css/css3.css");
						var myCookie = Cookie.write('style', 'css3.css');
						Slideshow.setBackgroundColor("1B2049");
						break;	
				}
			}
		}