/*-------------------------------------------------------
images for rollovers.
---------------------------------------------------------*/
img1off = new Image(); img1off.src = "images/icon_go.gif";
img2off = new Image(); img2off.src = "images/icon_go.gif";
img3off = new Image(); img3off.src = "images/icon_go.gif";
img4off = new Image(); img4off.src = "images/icon_go.gif";
img5off = new Image(); img5off.src = "images/icon_go.gif";
img6off = new Image(); img6off.src = "images/icon_go.gif";

img1on = new Image(); img1on.src = "images/icon_go_inverse.gif";
img2on = new Image(); img2on.src = "images/icon_go_inverse.gif";
img3on = new Image(); img3on.src = "images/icon_go_inverse.gif";
img4on = new Image(); img4on.src = "images/icon_go_inverse.gif";
img5on = new Image(); img5on.src = "images/icon_go_inverse.gif";
img6on = new Image(); img6on.src = "images/icon_go_inverse.gif";

/*********************************************************/ 
/* Simple version detection */ 
 
 var isNav = (navigator.appName == "Netscape" && parseInt(navigator.appVersion) != 5);
 var isNav6 = (navigator.appName == "Netscape" && parseInt(navigator.appVersion) >= 5);
 var enuff

 
/*********************************************************/ 
/* sets strings needed for style-switches */

function init()
{
		if (navigator.appName == "Netscape") 
        {
			if (parseInt(navigator.appVersion) == 5){
				isNav6 = true
				layerStyleRef="layer.style.";
				layerRef="document.getElementById";
				styleSwitch=".style";
			}
			else{
				layerStyleRef="layer.";
				layerRef="document.layers";
				styleSwitch="";
				isNav = true}
        }
		else{
        		layerStyleRef="layer.style.";
				layerRef="document.all";
				styleSwitch=".style";
				isIE = true
		}
}


/*********************************************************/
/* should be called on resize: resets divs for netscape */

function set_window()
{
	var mac = (navigator.appVersion.indexOf("Mac")!=-1);
	var bIsIE4 = (navigator.appVersion.indexOf("IE 4")  > -1);

	if (mac)
	{
		window.location.reload();
	}
	else if(isNav)
	{
		window.location.reload();
	}
};

/*-------------------------------------------------------
rollover functions.
---------------------------------------------------------*/

function imgdivOn(layerName,imgName)
{
	if (navigator.appName == "Netscape")
	{
		if(document.images)	
		{
			document[layerName].document[imgName].src = eval(imgName + "on.src");
		}
	}
	else
	{
		if(document.images)
		{
			document[imgName].src = eval(imgName + "on.src");
		}
	}
}

function imgdivOff(layerName,imgName)
{
	if (navigator.appName == "Netscape")
	{
		if(document.images)	
		{
			document[layerName].document[imgName].src = eval(imgName + "off.src");
		}
	}
	else
	{
		if(document.images)
		{
			document[imgName].src = eval(imgName + "off.src");
		}
	}
}

/**************************** show_layers() *************************************/
//This function shows the layer whose name is passed to it.

function show_layers(layerName)
{		
	document.getElementById(layerName).style.visibility = "visible";
}


/**************************** hide_layers() *************************************/
//This function hides the layer whose name is passed to it.

function hide_layers(layerName)
{	
document.getElementById(layerName).style.visibility = "hidden";
}

/**************************** immix(pic) *************************************/
//This calls the hide and show layer functions (below) in each menu rollover instance.

function immix(pic)
	{
		for (var i=1;i<=6;i++){
			show_layers('image'+pic)}
	}
	

function hideall(pic)
{
	for (var i=1;i<=6;i++){
		hide_layers('image'+pic)}
}