var isMinNS4=(navigator.appName.indexOf("Netscape")>=0&&parseFloat(navigator.appVersion)>=4)?1:0;
	var isMinIE4=(document.all)?1:0;
	var isMinIE5=(isMinIE4 && navigator.appVersion.indexOf("MSIE 5.")>= 0||isMinIE4&& navigator.appVersion.indexOf("MSIE 6.")>=0)?1:0;
	var isIENS6 = document.all||document.getElementById
	var g_IdActual = '';

	function getLayer(name)
	{

		if(isIENS6 )return document.getElementById(name);
		if(isMinNS4)return findLayer(name,document);
		if(isMinIE4)return eval('document.all.'+name);
		return null;
	}
	function findLayer(name,doc)
	{
		var i,layer;
		for(i=0;i<doc.layers.length;i++)
		{
			layer=doc.layers[i];
			if(layer.name==name)
				return layer;
			if(layer.document.layers.length>0)
				if((layer=findLayer(name,layer.document))!=null)
					return layer;
		}
		return null;
	}