// JavaScript Document
	// setup test for Nav 4.0
	var isIE = false;
	var isNav = (navigator.appName.indexOf("Netscape")>=0);
	//alert(navigator.appName);
	var isNav4 = false;
	var isIE4 = false;
	var is5up = false;
	var isNav6 = false;
	//alert(navigator.appVersion);
	if (isNav) 
	{
		if (parseFloat(navigator.appVersion)<5) 
		{
			isNav4=true;
			//alert("Netscape 4.x or older");
		} 
		else 
		{
			isNav6 = true;
			is5up = true;
		}
	} 
	else 
	{
		isIE4=true;
		isIE=true;
		if (navigator.appVersion.indexOf("MSIE 5")>0) 
		{
			isIE4 = false;
			is5up = true;
			//alert("IE5");
		}
	}	
	
  // Create a DHTML layer
function createLayer(name, inleft, intop, width, height, visible, content) {
	  var layer;
	  if (isNav4) {
	    document.writeln('<layer name="' + name + '" left=' + inleft + ' top=' + intop + ' width=' + width + ' height=' + height +  ' visibility=' + (visible ? '"show"' : '"hide"') +  '>');
	    document.writeln(content);
	    document.writeln('</layer>');
	  } else {
	    document.writeln('<div id="' + name + '" style="position:absolute; overflow:hidden; left:' + inleft + 'px; top:' + intop + 'px; width:' + width + 'px; height:' + height + 'px;' + '; z-index:1; visibility:' + (visible ? 'visible;' : 'hidden;') +  '">');
	    document.writeln(content);
	    document.writeln('</div>');
	  }
}

// Create a DHTML layer
function createLayerFija(name, content) {
	  var layer;
	  if (isNav4) {
	    document.writeln('<layer name="' + name + '">');
	    document.writeln(content);
	    document.writeln('</layer>');
	  } else {
	    document.writeln('<div id="' + name + '">');
	    document.writeln(content);
	    document.writeln('</div>');
	  }
}

// get the layer object called "name"
function getLayer(name) {	
	  if (isNav4)
	    return(document.layers[name]);
	  else if (isIE4) {
	    layer = eval('document.all.' + name + '.style');
	    return(layer);
	  } else if (is5up) {
		var theObj = document.getElementById(name);
		return theObj.style
	  }
	  else
	    return(null);

}

function isVisible(name) {
	  var layer = getLayer(name);
	  if (isNav && layer.visibility == "show")
	    return(true);
	  if (isIE && layer.visibility == "visible")
	    return(true);
	  return(false);
}

// move layer to x,y
function moveLayer(name, x, y) {		
  	var layer = getLayer(name);		
  	if (isNav4)
    	layer.moveTo(x, y);
  	//if (document.all) {
	 else {
    	layer.left = x + "px";
   		 layer.top  = y + "px";
  	}
}

// set layer background color
function setLayerBackgroundColor(name, color) {		
  	var layer = getLayer(name);		
 	 if (isNav4)
    	layer.bgColor = color;
  	//else if (document.all)
	else
    	layer.backgroundColor = color;
		
}

// toggle layer to invisible
function hideLayer(name) {		
  	var layer = getLayer(name);		
  	if (isNav4)
    	layer.visibility = "hide";
  	//if (document.all)
	else
   		 layer.visibility = "hidden";
		 //layer.display="none";
}

// toggle layer to visible
function showLayer(name) {		
  	var layer = getLayer(name);		
  	if (isNav4)
    	layer.visibility = "show";
  	//if (document.all)
	else
   	 layer.visibility = "visible";
	 //layer.display="block";
}