var min=12;
var midd=14;
var max=16;
function increaseFontSize() {


   var fontImg01 = document.getElementById("en_nav_font01");
   var fontImg02 = document.getElementById("en_nav_fon2");
   var fontImg03 = document.getElementById("en_nav_font03");

   fontImg01.onmouseout = function(){MM_swapImgRestore();}
   fontImg02.onmouseout = function(){MM_swapImgRestore();}

   fontImg01.src = "../../en/images/en_nav_font01.jpg";
   fontImg02.src = "../../en/images/en_nav_fon2.jpg";
   fontImg03.src = "../../en/images/en_nav_font03-over.jpg";

   if(document.removeEventListener){ 
                fontImg03.removeEventListener('onmouseout', MM_swapImgRestore, true); 
   } else if(fontImg03.detachEvent){ 
   	fontImg03.detachEvent('onmouseout',MM_swapImgRestore);
   } 

   fontImg03.onmouseout = function(){};

   fontImg03.onmouseout = "";


	setActiveStyleSheet("large");

	var C = document.getElementById("C");
	C.innerHTML = C.innerHTML;

}

function decreaseFontSize() {

   var fontImg01 = document.getElementById("en_nav_font01");
   var fontImg02 = document.getElementById("en_nav_fon2");
   var fontImg03 = document.getElementById("en_nav_font03");

   fontImg02.onmouseout = MM_swapImgRestore;
   fontImg03.onmouseout = MM_swapImgRestore;
      
   fontImg01.src = "../../en/images/en_nav_font01-over.jpg";
   fontImg02.src = "../../en/images/en_nav_fon2.jpg";
   fontImg03.src = "../../en/images/en_nav_font03.jpg";
   
  
   if(document.removeEventListener){ 
                fontImg01.removeEventListener('onmouseout', MM_swapImgRestore, true); 
   } else if(fontImg01.detachEvent){ 
   	fontImg01.detachEvent('onmouseout',MM_swapImgRestore);
   } 
   fontImg01.onmouseout = function(){};
   fontImg01.onmouseout = "";
   
	setActiveStyleSheet("small");
	var C = document.getElementById("C");
	C.innerHTML = C.innerHTML;
   

}

function normalFontSize() {

   var fontImg01 = document.getElementById("en_nav_font01");
   var fontImg02 = document.getElementById("en_nav_fon2");
   var fontImg03 = document.getElementById("en_nav_font03");

   fontImg01.onmouseout = MM_swapImgRestore;
   fontImg03.onmouseout = MM_swapImgRestore;
		
   fontImg01.src = "../../en/images/en_nav_font01.jpg";
   fontImg02.src = "../../en/images/en_nav_fon2-over.jpg";
   fontImg03.src = "../../en/images/en_nav_font03.jpg";
 
   if(document.removeEventListener){ 
                fontImg02.removeEventListener('onmouseout', MM_swapImgRestore, true); 
   } else if(fontImg02.detachEvent){ 
   	fontImg02.detachEvent('onmouseout',MM_swapImgRestore);
   } 
   fontImg02.onmouseout = function(){};
   fontImg02.onmouseout="";
   
   setActiveStyleSheet("normal");
   var C = document.getElementById("C");
	C.innerHTML = C.innerHTML;
}

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;
     }
   }
}