if (document.images){
		
		home_off = new Image
		home_over = new Image
		home_on = new Image

		company_off = new Image
		company_over = new Image
		company_on = new Image

		contact_off = new Image
		contact_over = new Image
		contact_on = new Image

		login_off = new Image
		login_over = new Image
		login_on = new Image

		nxt_off = new Image
		nxt_over = new Image
		nxt_on = new Image
		
		pre_off = new Image
		pre_over = new Image
		pre_on = new Image

		bak_off = new Image
		bak_over = new Image
		bak_on = new Image

		home_off.src = "Images/home_off.gif"
		home_over.src = "Images/home_over.gif"
		home_on.src = "Images/home_on.gif"

		company_off.src = "Images/company_off.gif"
		company_over.src = "Images/company_over.gif"
		company_on.src = "Images/company_on.gif"

		login_off.src = "Images/login_off.gif"
		login_over.src = "Images/login_over.gif"
		login_on.src = "Images/login_on.gif"

		contact_off.src = "Images/contact_off.gif"
		contact_over.src = "Images/contact_over.gif"
		contact_on.src = "Images/contact_on.gif"

		nxt_off.src = "Images/nxt_off.gif"
		nxt_over.src = "Images/nxt_over.gif"
		nxt_on.src = "Images/nxt_on.gif"

		pre_off.src = "Images/pre_off.gif"
		pre_over.src = "Images/pre_over.gif"
		pre_on.src = "Images/pre_on.gif"

		bak_off.src = "Images/bak_off.gif"
		bak_over.src = "Images/bak_over.gif"
		bak_on.src = "Images/bak_on.gif"
	}
	else{
		
		home_off = ""
		home_over = ""
		home_on = ""

		company_off = ""
		company_over = ""
		company_on = ""

		contact_off = ""
		contact_over = ""
		contact_on = ""

		login_off = ""
		login_over = ""
		login_on = ""

		
		nxt_off = ""
		nxt_over = ""
		nxt_on = ""

		
		pre_off = ""
		pre_over = ""
		pre_on = ""

		bak_off = ""
		bak_over = ""
		bak_on = ""

		document.img1 = ""
		document.img2 = ""
		document.img3 = ""
		document.img4 = ""
		document.img5 = ""
		document.img6 = ""
		document.img7 = ""
	}