var active1 ='menuLinksHR'; 
var active2 ='contentHR'; 
var active3 ='languagesHR'; 
var active4 =  'titleHR';
function showLayer(id1, id2, id3, id4){ 	//malo -s- u odnosu na dreamweaver
		if (document.all){ 
			document.all[active1].style.visibility = "hidden"; 
			document.all[active2].style.visibility = "hidden";
			document.all[active3].style.visibility = "hidden";
			document.all[active4].style.visibility = "hidden";
			} 
		if(document.layers){ 
			document.layers[active1].visibility = "hide";
			document.layers[active2].visibility = "hide";
			document.layers[active3].visibility = "hide";
			document.layers[active4].visibility = "hide";
			} 
		if(document.getElementById){
			document.getElementById(active1).style.visibility='hidden';
			document.getElementById(active2).style.visibility='hidden';
			document.getElementById(active3).style.visibility='hidden';
			document.getElementById(active4).style.visibility='hidden';
			} 
		active1 = id1; 
		active2 = id2; 
		active3 = id3; 
		active4 = id4; 
		if (document.all){
			document.all[active1].style.visibility = "visible";
			document.all[active2].style.visibility = "visible";
			document.all[active3].style.visibility = "visible";
			document.all[active4].style.visibility = "visible";
			} 
		if(document.layers){
			document.layers[active1].visibility = "show" ;
			document.layers[active2].visibility = "show" ;
			document.layers[active3].visibility = "show" ;
			document.layers[active4].visibility = "show" ;
			} 
		if(document.getElementById){
			document.getElementById(active1).style.visibility='visible';
			document.getElementById(active2).style.visibility='visible';
			document.getElementById(active3).style.visibility='visible';
			document.getElementById(active4).style.visibility='visible';
			} 
}