function showElements(){
  document.getElementById("p2").style.display = "block";
  document.getElementById("p3").style.display = "block";
  document.getElementById("p4").style.display = "block";
  document.getElementById("p5").style.display = "block";
  document.getElementById("navigation").style.display = "block";
  document.getElementsByClassName("SlidingPanelsContentGroup").style.width = "3000px";
}


function lightUpNav(elementId){

	if (isItIE == "0") {
		changeOpac(100,elementId);
	}
	else 
	{
	var value = "url('img/radio_op100.png') center no-repeat";
	document.getElementById(elementId).style.background = value;
	}
}

function lightDownNav(elementId){

	if (isItIE == "0") {
		changeOpac(50,elementId); // if it's not IE, change opacity
	}
	else 
	{
	var value = "url('img/radio_op50.png') center no-repeat"; // if it's IE simply change background
	document.getElementById(elementId).style.background = value;
	}

}


function lightMe(elementId, howMany){
	for (i = 1; i <= howMany; i++) {
		var elementToLight = "navigation" + i;
		if (("navigation" + i) == elementId) 
			lightUpNav(elementToLight);
		else
			lightDownNav(elementToLight);		
	}
}




/*
function lightUpNav(elementId){

//	changeOpac(100,elementId);

	if (isItIE == "0") {
		changeOpac(100,elementId);
	}
	else 
	{
	var value = "url('img/radio_op100.png') center no-repeat";
	document.getElementById(elementId).style.background = value;
	}
}

function lightDownNav(elementId){

//	changeOpac(50,elementId);

	if (isItIE == "0") {
		changeOpac(50,elementId); // if it's not IE, change opacity
	}
	else 
	{
	var value = "url('img/radio_op50.png') center no-repeat"; // if it's IE simply change background
	document.getElementById(elementId).style.background = value;
	}

}
*/