if(document.all){var BW = "IE"}else{var BW = "NS"}

if(document.images){
	var onImgTB = new Array()
	onImgTB[0] = new Image()
	onImgTB[1] = new Image()
	onImgTB[2] = new Image()
	onImgTB[3] = new Image()
	onImgTB[4] = new Image()
	onImgTB[5] = new Image()
	onImgTB[6] = new Image()
	onImgTB[7] = new Image()

	onImgTB[0].src = "images/nav_home_over.gif"
	onImgTB[1].src = "images/nav_courses_over.gif"
	onImgTB[2].src = "images/nav_myce_over.gif"
	onImgTB[3].src = "images/nav_forums_over.gif"
	onImgTB[4].src = "images/nav_events_over.gif"
	onImgTB[5].src = "images/nav_faq_over.gif"
	onImgTB[6].src = "images/nav_aboutus_over.gif"
	onImgTB[7].src = "images/nav_article_over.gif"

	var offImgTB = new Array()
	offImgTB[0] = new Image()
	offImgTB[1] = new Image()
	offImgTB[2] = new Image()
	offImgTB[3] = new Image()
	offImgTB[4] = new Image()
	offImgTB[5] = new Image()
	offImgTB[6] = new Image()
	offImgTB[7] = new Image()

	offImgTB[0].src = "images/nav_home.gif"
	offImgTB[1].src = "images/nav_courses.gif"
	offImgTB[2].src = "images/nav_myce.gif"
	offImgTB[3].src = "images/nav_forums.gif"
	offImgTB[4].src = "images/nav_events.gif"
	offImgTB[5].src = "images/nav_faq.gif"
	offImgTB[6].src = "images/nav_aboutus.gif"
	offImgTB[7].src = "images/nav_article.gif"
}

function imageOn2(i){
	if(document.images){
		for(var x = 0; x < document.images.length;x++){
			if(document.images[x].name == i.name){
				document.images[x].src = onImgTB[i.name.substr(3)].src;
				showMenu(document.images[x])
				x = document.images.length;
			}
		}
	}
}

function imageOff2(i){
	if(document.images){
		for(var x = 0; x < document.images.length;x++){
			if(document.images[x].name == i.name){
				document.images[x].src = offImgTB[i.name.substr(3)].src;
				x = document.images.length;
			}
		}
	}
}

function showMenu(obj){
	if(BW == "NS"){

	}else{

	}
}