if(document.images){

	bg1 = new Image();
	bg1.src = "images/bodyBG_01.gif";
	bg2 = new Image();
	bg2.src = "images/bodyBG_02.gif";
	bg3 = new Image();
	bg3.src = "images/bodyBG_03.gif";
	bg4 = new Image();
	bg4.src = "images/bodyBG_04.gif";
	bg5 = new Image();
	bg5.src = "images/bodyBG_05.gif";
	bg6 = new Image();
	bg6.src = "images/bodyBG_06.gif";
	bg7 = new Image();
	bg7.src = "images/bodyBG_07.gif";
	bg8 = new Image();
	bg8.src = "images/bodyBG_08.gif";
	bg9 = new Image();
	bg9.src = "images/bodyBG_09.gif";
	bg10 = new Image();
	bg10.src = "images/bodyBG_10.gif";
	bg11 = new Image();
	bg11.src = "images/bodyBG_11.gif";
	bg12 = new Image();
	bg12.src = "images/bodyBG_12.gif";
	bg13 = new Image();
	bg13.src = "images/bodyBG_13.gif";
	bg14 = new Image();
	bg14.src = "images/bodyBG_14.gif";
	bg15 = new Image();
	bg15.src = "images/bodyBG_15.gif";
	bg16 = new Image();
	bg16.src = "images/bodyBG_16.gif";
	bg17 = new Image();
	bg17.src = "images/bodyBG_17.gif";
	bg18 = new Image();
	bg18.src = "images/bodyBG_18.gif";
	bg19 = new Image();
	bg19.src = "images/bodyBG_19.gif";
	bg20 = new Image();
	bg20.src = "images/bodyBG_20.gif";
	bg21 = new Image();
	bg21.src = "images/bodyBG_21.gif";
	bg22 = new Image();
	bg22.src = "images/bodyBG_22.gif";
	bg23 = new Image();
	bg23.src = "images/bodyBG_23.gif";
	bg24 = new Image();
	bg24.src = "images/bodyBG_24.gif";
	bg25 = new Image();
	bg25.src = "images/bodyBG_25.gif";
	bg26 = new Image();
	bg26.src = "images/bodyBG_26.gif";
	bg27 = new Image();
	bg27.src = "images/bodyBG_27.gif";
	bg28 = new Image();
	bg28.src = "images/bodyBG_28.gif";
	bg29 = new Image();
	bg29.src = "images/bodyBG_29.gif";
	bg30 = new Image();
	bg30.src = "images/bodyBG_30.gif";
	bg31 = new Image();
	bg31.src = "images/bodyBG_31.gif";
	bg32 = new Image();
	bg32.src = "images/bodyBG_32.gif";
	bg33 = new Image();
	bg33.src = "images/bodyBG_33.gif";
	bg34 = new Image();
	bg34.src = "images/bodyBG_34.gif";
	bg35 = new Image();
	bg35.src = "images/bodyBG_35.gif";
	bg36 = new Image();
	bg36.src = "images/bodyBG_36.gif";

}

var array = new Array('url(images/bodyBG_01.gif)',
					  'url(images/bodyBG_02.gif)',
					  'url(images/bodyBG_03.gif)',
					  'url(images/bodyBG_04.gif)',
					  'url(images/bodyBG_05.gif)',
					  'url(images/bodyBG_06.gif)',
					  'url(images/bodyBG_07.gif)',
					  'url(images/bodyBG_08.gif)',
					  'url(images/bodyBG_09.gif)',
					  'url(images/bodyBG_10.gif)',
					  'url(images/bodyBG_11.gif)',
					  'url(images/bodyBG_12.gif)',
					  'url(images/bodyBG_13.gif)',
					  'url(images/bodyBG_14.gif)',
					  'url(images/bodyBG_15.gif)',
					  'url(images/bodyBG_16.gif)',
					  'url(images/bodyBG_17.gif)',
					  'url(images/bodyBG_18.gif)',
					  'url(images/bodyBG_19.gif)',
					  'url(images/bodyBG_20.gif)',
					  'url(images/bodyBG_21.gif)',
					  'url(images/bodyBG_22.gif)',
					  'url(images/bodyBG_23.gif)',
					  'url(images/bodyBG_24.gif)',
					  'url(images/bodyBG_25.gif)',
					  'url(images/bodyBG_26.gif)',
					  'url(images/bodyBG_27.gif)',
					  'url(images/bodyBG_28.gif)',
					  'url(images/bodyBG_29.gif)',
					  'url(images/bodyBG_30.gif)',
					  'url(images/bodyBG_31.gif)',
					  'url(images/bodyBG_32.gif)',
					  'url(images/bodyBG_33.gif)',
					  'url(images/bodyBG_34.gif)',
					  'url(images/bodyBG_35.gif)',
					  'url(images/bodyBG_36.gif)');

function changeBackground(index){

	body.style.backgroundImage=array[index]

}