<!--
   NS4 = (document.layers);
   NS6 =  ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) == 5))
   IE4 = (document.all);
   
   
if (navigator.appName == "Netscape") {
	layerRef="document.layers";
  	styleSwitch="";
    } else {
    	layerRef="document.all";
    	styleSwitch=".style";
    }

function showLayer(layerName) {
	if (NS6) 
		lay=document.getElementById(layerName)
	else if (NS4)
		lay=eval("document.layers."+layerName)
	else
		lay=eval(layerName);
    if (NS4) lay.visibility = "show"
    else lay.style.visibility = "visible"
}
  	
function hideLayer(layerName) {
	if (NS6) 
		lay=document.getElementById(layerName)
	else if (NS4)
		lay=eval("document.layers."+layerName)
	else
		lay=eval(layerName);
    if (NS4) lay.visibility = "hide"
    else lay.style.visibility = "hidden"
}

function preloadImages() {
if (document.images) {
		popnav_whole_profit_over = new Image();
		popnav_whole_profit_over.src="images/popnav_whole_profit_over.gif"
		popnav_whole_cust_over = new Image();
		popnav_whole_cust_over.src="images/popnav_whole_cust_over.gif"
		popnav_whole_ind_over = new Image();
		popnav_whole_ind_over.src="images/popnav_whole_ind_over.gif"
		popnav_whole_trade_over = new Image();
		popnav_whole_trade_over.src="images/popnav_whole_trade_over.gif"
		popnav_whole_con_over = new Image();
		popnav_whole_con_over.src="images/popnav_whole_con_over.gif"
		popnav_whole_bus_over = new Image();
		popnav_whole_bus_over.src="images/popnav_whole_bus_over.gif"
	}
}

var pathOfImg = "images/";
if (document.images)	{ 
	function buttonOn(imgName) {
	    document.images[imgName].src= pathOfImg + imgName + "_over.gif"
	}
	  
	function buttonOff(imgName) {
	    document.images[imgName].src= pathOfImg + imgName + ".gif"
	}
}

//-->