sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
	
	
	var sfEls2 = document.getElementById("nav2").getElementsByTagName("LI");
	for (var i=0; i<sfEls2.length; i++) {
		sfEls2[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls2[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}

if (window.attachEvent) window.attachEvent("onload", sfHover);

function HideLangsLetters(){
	document.getElementById(lettersGR).style.display=none;
	document.getElementById(lettersEN).style.display=none;
	document.getElementById(resultslang).style.display=block;
	}

function showHideLangsLetters(){
	document.getElementById(lettersGR).style.display=none;
	document.getElementById(lettersEN).style.display=none;
	var mylist=document.getElementById(lang);
	var langSelected=mylist.options[mylist.selectedIndex].value;
	document.getElementById(langSelected).style.display=block;
	}