function rollOver(img){
	var src = img.src;
	var newSrc = src.replace(/off/,"over");
	img.src = newSrc;
	return false;
}
function rollOff(img){
	var src = img.src;
	var newSrc = src.replace(/over/,"off");
	img.src = newSrc;
	return false;
}
function openBox(boxid,textboxid,str){
	var theBox = document.getElementById(boxid);
	var theTextBox = document.getElementById(textboxid);
	theTextBox.innerHTML = str;
	theBox.style.visibility =  'visible';
	return false;
}
function closeBox(boxid){
	var theBox = document.getElementById(boxid);
	theBox.style.visibility =  'hidden';
	return false;
}

/****  Font change ***/

 

var fontCookieName = "fontsize";
var changeFontBox = "contentcont";

 

/*

function smallFont(box) {

   document.getElementById(box).className = '';

            document.body.className = '';

   return false;

}

 

function largeFont(box) {

   document.getElementById(box).className = 'lgfont';

            document.body.className = 'large';

   return false;

}

*/

function changeFont(value) {
   var theBox = document.getElementById('contentcont') ;  
   var plusImg =  document.getElementById('plus') ; 
   var minusImg =  document.getElementById('minus') ;
   if(value == "small")
   {
    theBox.className = "";
    document.body.className = '';  
    plusImg.src = 'images/plus.gif';
    minusImg.src = 'images/minus_gray.gif';

   }
   if(value == "large")
   {
    theBox.className = "lgfont";
    document.body.className = 'large';
    plusImg.src = 'images/plus_gray.gif';
    minusImg.src = 'images/minus.gif';
   }
   return false;
}

 

function setPageFont(){
 var c = readCookie(fontCookieName);
 //alert(c);
 if(c) {
  changeFont(c);
  return false;
 }
 return false;
}

 

function createCookie(name,value,days,str) {
 if (days) {
  var date = new Date();
  date.setTime(date.getTime()+(days*24*60*60*1000));
  var expires = "; expires="+date.toGMTString();
 }
 else var expires = "";
 document.cookie = name+"="+value+expires+"; path=/";
 //alert(document.cookie);
 changeFont(value);
}

 

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 eraseCookie(name) {
  createCookie(name,"",-1);
}

 

//eraseCookie('fontSize');