//*******************************************************************//
//this function preloads images
function loadImages(){
	var image1 = new Image()
	image1.src = "images/top_aboutusover.gif"
	var image2 = new Image()
	image2.src = "images/top_candidateover.gif"
	var image3 = new Image()
	image3.src = "images/top_jobsover.gif"
	var image4 = new Image()
	image4.src = "images/top_clientover.gif"
	var image5 = new Image()
	image5.src = "images/top_newsover.gif"
	var image6 = new Image()
	image6.src = "images/top_contactusover.gif"
}

function showMenu(mnu){
	mnu.style.visibility = "visible"
}

function hideMenu(mnu){
	mnu.style.visibility = "hidden"
}

//this function swaps images on mouse overs
function changeImage(img){
var str = ""
	if(img.src.indexOf("over") <= 0){
		str = img.src.substring(0, img.src.length - 4)
		str += "over"
		str += img.src.substring(img.src.length - 4, img.src.length)
		img.src =  str
	}else if(img.src.indexOf("over") > 0){
		str = img.src.substring(0, img.src.indexOf("over"))
		str += img.src.substring(img.src.length - 4, img.src.length)
		img.src = str
	}
}