function setActiveStyleSheet(title,theParent) {
	var i, a, main;
	
	/*alert("MAIN VARIABLES TITLE: "+title);
	alert("MAIN VARIABLES THE PARENT: "+theParent);*/
	
	if( !title || title == null ){
		title = "defaultfont";
	}
	
	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;
			}
		}
	}
	
	/* <changeImage> */
	if(document.getElementById('increase')){
		
		var element=document.getElementById('increase').getElementsByTagName('LI');
		var temp="";
		
		for(i=0;i<element.length;i++){ 	
			var el = element[i].childNodes[0].getAttribute('Id');	        	        
			if(el.substr(el.length-2,el.length-1)=='On'){	 	    	                   
				element[i].childNodes[0].setAttribute('id',el.substr(0,el.length-2));	            
				temp=element[i].childNodes[0];	            
			}	        
		}	
		// if the parent is null then  	  	  
		if(typeof(theParent)!="undefined"){
			theParent.setAttribute('id',theParent.getAttribute('id')+'On');  
		}else{ // is the first time, get the initial selection
			temp.setAttribute('id',temp.getAttribute('id')+'On');  	    
		}	    	
	}
	/* </changeImage> */  
	
}

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 getIncrease(title){

  /*alert("getIncrease: TITLE "+title);*/
	
	if( !title || title == null ){
		return document.getElementById('increaseNormalOn');
	}else if (title == "medfont"){
		return document.getElementById('increaseMedium'); 
	}else if (title == "largefont"){
		return document.getElementById('increaseLarge');  
	}else{
		return document.getElementById('increaseNormalOn'); 
	}
    
}

window.onload = function(e) {
  var cookie = readCookie("style");
  var title = cookie ? cookie : getPreferredStyleSheet();  
  var increase = getIncrease(title);  
  setActiveStyleSheet(title,increase);

}

window.onunload = function(e) {
  var title = getActiveStyleSheet();  
  createCookie("style", title, 365);
}