function showPop(href) {
	xposition=70; yposition=40;
	height=500;
	width=555;
	if ((parseInt(navigator.appVersion) >= 4 )){
		xposition = (screen.width - width) / 2;
		yposition = (screen.height - height) / 2;
	} 
	args = "width=" + width + "," 
		    + "height=" + height + "," 
			+ "location=0," 
			+ "menubar=0,"
			+ "resizable=0,"
			+ "scrollbars=yes,"
			+ "status=0," 
			+ "titlebar=0,"
			+ "toolbar=0,"
			+ "hotkeys=0,"
			+ "screenx=" + xposition + ","  //NN Only
			+ "screeny=" + yposition + ","  //NN Only
			+ "left=" + xposition + ","     //IE Only
			+ "top=" + yposition;           //IE Only 
	
    popup = window.open(href, '', args);
    popup.focus();
}

function showPop1(href,w,h) {
	xposition=70; yposition=40;
	height=h;
	width=w;
	if ((parseInt(navigator.appVersion) >= 4 )){
		xposition = (screen.width - width) / 2;
		yposition = (screen.height - height) / 2;
	} 
	args = "width=" + width + "," 
		    + "height=" + height + "," 
			+ "location=0," 
			+ "menubar=0,"
			+ "resizable=0,"
			+ "scrollbars=yes,"
			+ "status=0," 
			+ "titlebar=0,"
			+ "toolbar=0,"
			+ "hotkeys=0,"
			+ "screenx=" + xposition + ","  //NN Only
			+ "screeny=" + yposition + ","  //NN Only
			+ "left=" + xposition + ","     //IE Only
			+ "top=" + yposition;           //IE Only 
	
    popup = window.open(href, '', args);
    popup.focus();
}

function na_preload_img()
{ 
  var img_list = na_preload_img.arguments;
  if (document.preloadlist == null) 
    document.preloadlist = new Array();
  var top = document.preloadlist.length;
  for (var i=0; i < img_list.length; i++){
    document.preloadlist[top+i] = new Image;
    document.preloadlist[top+i].src = img_list[i+1];
  }
}

function na_change_img_src(name, nsdoc, rpath, preload)
{ 
  var img = eval((navigator.appName.indexOf('Netscape', 0) != -1) ? nsdoc+'.'+name : 'document.all.'+name);
  if (name == '')
    return;
  if (img) {
    img.altsrc = img.src;
    img.src    = rpath;
  } 
}

function na_restore_img_src(name, nsdoc)
{
  var img = eval((navigator.appName.indexOf('Netscape', 0) != -1) ? nsdoc+'.'+name : 'document.all.'+name);
  if (name == '')
    return;
  if (img && img.altsrc) {
    img.src    = img.altsrc;
    img.altsrc = null;
  } 
}

function changePicture(imgN, flagN, path, cat1, cat2, img)
{
	
	var image = document.getElementById(imgN);
	var flag = document.getElementById(flagN);
	if (flag.value == '1') 
	{
		flag.value = '0';
		image.src = path + cat2 + img;
	}
	else
	{
		flag.value = '1';
		image.src = path + cat1 + img;
	}
	
}
