function showHide(vObj){
	if(vObj.className=="") vObj.className="over";
	else vObj.className="";
}


	var image_array = new Array();

	// path to the directory with images
	var path = '../images/menu/';

	// enumeration of the "active" images
	image_array[0] = path + "mn1_on.gif";
	image_array[1] = path + "mn2_on.gif";
	image_array[2] = path + "mn3_on.gif";
	image_array[3] = path + "mn4_on.gif";
	image_array[4] = path + "mn5_on.gif";
	image_array[5] = path + "mn6_on.gif";

	var preload_image = new Array ();

	for(var i=0; i<image_array.length; i++){
  		//alert(image_array[i]);
  		preload_image[i]= new Image();
  		preload_image[i].src = image_array[i];
	}
function rollover(name, img){
  var fullpath = '../images/menu/' + img;
  //obj.src = fullpath;
  document.images[name].src = fullpath;
}

function abre_ua_noscroll(mypage,myname,w,h){
	LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
	settings ='height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars=yes,resizable=no,status=no';
	win = window.open(mypage,myname,settings);
	if(win.window.focus) win.window.focus();
}