if (document.images) {

		button1Red = new Image
		button1Yellow = new Image
		button2Red = new Image
		button2Yellow = new Image
		button3Red = new Image
		button3Yellow = new Image
		button4Red = new Image
		button4Yellow = new Image
		button5Red = new Image
		button5Yellow = new Image
		button6Red = new Image
		button6Yellow = new Image
		button7Red = new Image
		button7Yellow = new Image
		button8Red = new Image
		button8Yellow = new Image
		button9Red = new Image
		button9Yellow = new Image
		button10Red = new Image
		button10Yellow = new Image
		button11Red = new Image
		button11Yellow = new Image
		button12Red = new Image
		button12Yellow = new Image
		button13Red = new Image
		button13Yellow = new Image
		button14Red = new Image
		button14Yellow = new Image
		button15Red = new Image
		button15Yellow = new Image
		button16Red = new Image
		button16Yellow = new Image
		button17Red = new Image
		button17Yellow = new Image	
		button18Red = new Image
		button18Yellow = new Image

		button1Red.src = "images/button1b.gif"
		button1Yellow.src = "images/button1.gif"
		button2Red.src = "images/button2b.gif"
		button2Yellow.src = "images/button2.gif"
		button3Red.src = "images/button3b.gif"
		button3Yellow.src = "images/button3.gif"
		button4Red.src = "images/button4b.gif"
		button4Yellow.src = "images/button4.gif"
		button5Red.src = "images/button5b.gif"
		button5Yellow.src = "images/button5.gif"
		button6Red.src = "images/button6b.gif"
		button6Yellow.src = "images/button6.gif"
		button7Red.src = "images/button7b.gif"
		button7Yellow.src = "images/button7.gif"
		button8Red.src = "images/button8b.gif"
		button8Yellow.src = "images/button8.gif"
		button9Red.src = "images/button9b.gif"
		button9Yellow.src = "images/button9.gif"
		button10Red.src = "images/button10b.gif"
		button10Yellow.src = "images/button10.gif"
		button11Red.src = "images/button11b.gif"
		button11Yellow.src = "images/button11.gif"
		button12Red.src = "images/button12b.gif"
		button12Yellow.src = "images/button12.gif"
		button13Red.src = "images/button13b.gif"
		button13Yellow.src = "images/button13.gif"
		button14Red.src = "images/button14b.gif"
		button14Yellow.src = "images/button14.gif"
		button15Red.src = "images/button15b.gif"
		button15Yellow.src = "images/button15.gif"
		button16Red.src = "images/button16b.gif"
		button16Yellow.src = "images/button16.gif"
		button17Red.src = "images/button17b.gif"
		button17Yellow.src = "images/button17.gif"
		button18Red.src = "images/button18b.gif"
		button18Yellow.src = "images/button18.gif"

}
	else {
		button1Red = ""
		button1Yellow = ""
		button2Red = ""
		button2Yellow = ""
		button3Red = ""
		button3Yellow = ""
		button4Red = ""
		button4Yellow = ""
		button5Red = ""
		button5Yellow = ""
		button6Red = ""
		button6Yellow = ""
		button7Red = ""
		button7Yellow = ""
		button8Red = ""
		button8Yellow = ""
		button9Red = ""
		button9Yellow = ""
		button10Red = ""
		button10Yellow = ""
		button11Red = ""
		button11Yellow = ""
		button12Red = ""
		button12Yellow = ""
		button13Red = ""
		button13Yellow = ""
		button14Red = ""
		button14Yellow = ""
		button15Red = ""
		button15Yellow = ""
		button16Red = ""
		button16Yellow = ""
		button17Red = ""
		button17Yellow = ""
		button18Red = ""
		button18Yellow = ""

		document.button1 = ""
		document.button2 = ""
		document.button3 = ""
		document.button4 = ""
		document.button5 = ""
		document.button6 = ""
		document.button7 = ""
		document.button8 = ""
		document.button9 = ""
		document.button10 = ""
		document.button11 = ""
		document.button12 = ""
		document.button13 = ""
		document.button14 = ""
		document.button15 = ""
		document.button16 = ""
		document.button17 = ""
		document.button18 = ""

	}