function displayMenu(num)
	{
		for(var i=1; i<5; i++)
		{
			obj = "headerMenu" + i;

			if(i != num)
			{
				document.getElementById(obj).style.display = "none";
			}
			else
			{
				document.getElementById(obj).style.display = "block";
			}
		}
	}

	function changeImage(idImg, catImg, newImg, typeImg)
	{
		var obj = document.getElementById(idImg);
		obj.src = "/images/" + catImg  + newImg + "." + typeImg;
	}
	/*
	function drtvPopup(){
	    window.open("/drtvGuide.html" , "DRTV" , "top=200px, left=650px, width=526px, height=605px, scrollbar=no, toolbar=no, directories=no, status=no, menubar=no, location=no, resizable=no");
	}
	*/