if (document.images) {

	home0= new Image; home0.src = "home.gif"

	home1 = new Image; home1.src = "home1.gif"

	profile0= new Image; profile0.src = "profile.gif"

	profile1= new Image; profile1.src = "profile1.gif"

	expertise0= new Image; expertise0.src = "expertise.gif"

	expertise1= new Image; expertise1.src = "expertise1.gif"

	articles0= new Image; articles0.src = "articles.gif"

	articles1= new Image; articles1.src = "articles1.gif"

}

else {

 	home1 = ""

	home0 = ""

	profile1 = ""

	profile0=""

	expertise0=""

	expertise1=""

	articles0=""

	articles1=""

	

		   

 						

	    document.home.src = ""

		document.profile.src = ""

		document.expertise.src = ""

		document.articles.src= ""

}