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if (document.all && document.getElementById) {
navRoot = document.getElementById("nav");
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{ 
//This line picks an image at random from the list you entered above 
var bgimage=backgroundSrcs[(Math.round(Math.random()*(backgroundSrcs.length-1)))] 
//This line applies the background image to your masthead 
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window.onload=startList;
	
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	function toggle(id){
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    img = "img_" + id;
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    imgElement = document.getElementById(img);
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