var ns4 = (navigator.appName.toLowerCase() == "netscape") ? true:false
var ie4 = !ns4

var activeMenu = ""
var mytimer



imageabout = new Image(181, 132);imageabout.src = 'website/images/about.gif';
imageabout_on = new Image(181, 132);imageabout_on.src = 'website/images/about_on.gif';
imageourservices = new Image(181, 132);imageourservices.src = 'website/images/ourservices.gif';
imageourservices_on = new Image(181, 132);imageourservices_on.src = 'website/images/ourservices_on.gif';
imagenews = new Image(181, 132);imagenews.src = 'website/images/news.gif';
imagenews_on = new Image(181, 132);imagenews_on.src = 'website/images/news_on.gif';
imageadvertising = new Image(181, 132);imageadvertising.src = 'website/images/advertising.gif';
imageadvertising_on = new Image(181, 132);imageadvertising_on.src = 'website/images/advertising_on.gif';
imagecontact = new Image(181, 132);imagecontact.src = 'website/images/contact.gif';
imagecontact_on = new Image(181, 132);imagecontact_on.src = 'website/images/contact_on.gif';
imagesubscribe = new Image(181, 132);imagesubscribe.src = 'website/images/subscribe.jpg';
imagesubscribe_on = new Image(181, 132);imagesubscribe_on.src = 'website/images/subscribe_on.jpg';
imagefree = new Image(181, 132);imagefree.src = 'website/images/free.jpg';
imagefree_on = new Image(181, 132);imagefree_on.src = 'website/images/free_on.jpg';


function doMouseOverMenu(menu)
{
	if (activeMenu != menu && activeMenu != "")
	{
		hideLayer("lay" + activeMenu)
		replace("lay" + activeMenu,"img" + activeMenu,"image" + activeMenu)
	}
	replace("lay" + menu,"img" + menu,"image" + menu + "_on")
	clearTimeout(mytimer)
	activeMenu = menu
	displayLayer("lay" + menu)
}

function makeDelay()
{
	mytimer = setTimeout("desactivateMenu()",1000);
}

function desactivateMenu()
{
	if (activeMenu != "") 
	{
		replace("lay" + activeMenu,"img" + activeMenu,"image" + activeMenu)
		hideLayer("lay" + activeMenu)
		activeMenu = ""
	}
}

function replace(lyr,what,bywhat) 
{ 
	document.images[what].src=eval(bywhat+".src")
	
	/*if (ie4) document.images[what].src=eval(bywhat+".src") ;
	if (ns4)
	{
		var obj
		obj = eval("document." + lyr)
		obj.document.images[what].src=eval(bywhat+".src") ;
		document.images[what].src=eval(bywhat+".src") ;
	}*/
}

function displayLayer(lyrName)
	{
		var obj
		if (ie4)
		{
			obj = eval(lyrName + ".style")
			obj.visibility = "visible"
		}
		if (ns4)
		{
			obj = eval("document." + lyrName)
			obj.visibility = "show"
		}
	}

function hideLayer(lyrName)
	{
		var obj
		if (ie4)
		{
			obj = eval(lyrName + ".style")
			obj.visibility = "hidden"
		}
		if (ns4)
		{
			obj = eval("document." + lyrName)
			obj.visibility = "hide"
		}
	}

function init()
{
	hideLayer("cachemenu")
}