//vars
	var numads = 0;
	
	//build arrays		
	banner = new Array(13);
	displayed = new Array(1);

	//num ads
	
	banner[1]='<IMG SRC="KOBHeader.gif" ALT="Keep Ohio Beautiful" BORDER="1">';
	displayed[1] = false;
	numads = numads + 1;
	
	banner[2]='<IMG SRC="KOBHeader2.gif" ALT="Keep Ohio Beautiful" BORDER="1">';
	displayed[2] = false;
	numads = numads + 1;

	banner[3]='<IMG SRC="KOBHeader3.gif" ALT="Keep Ohio Beautiful" BORDER="0">';
	displayed[3] = false;
	numads = numads + 1;	

	banner[4]='<IMG SRC="KOBHeader4.gif" ALT="Keep Ohio Beautiful" BORDER="0">';
	displayed[4] = false;
	numads = numads + 1;	
	
	banner[5]='<IMG SRC="KOBHeader5.gif" ALT="Keep Ohio Beautiful" BORDER="0">';
	displayed[5] = false;
	numads = numads + 1;	
	
	banner[6]='<IMG SRC="KOBHeader6.gif" ALT="Keep Ohio Beautiful" BORDER="0">';
	displayed[6] = false;
	numads = numads + 1;	
	
	banner[7]='<IMG SRC="KOBHeader7.gif" ALT="Keep Ohio Beautiful" BORDER="0">';
	displayed[7] = false;
	numads = numads + 1;	
	
	banner[8]='<IMG SRC="KOBHeader8.gif" ALT="Keep Ohio Beautiful" BORDER="0">';
	displayed[8] = false;
	numads = numads + 1;	
	
	banner[9]='<IMG SRC="KOBHeader9.gif" ALT="Keep Ohio Beautiful" BORDER="0">';
	displayed[9] = false;
	numads = numads + 1;
	
	banner[10]='<IMG SRC="KOBHeader10.gif" ALT="Keep Ohio Beautiful" BORDER="0">';
	displayed[10] = false;
	numads = numads + 1;
	
	banner[11]='<IMG SRC="KOBHeader11.gif" ALT="Keep Ohio Beautiful" BORDER="0">';
	displayed[11] = false;
	numads = numads + 1;

	banner[12]='<IMG SRC="KOBHeader12.gif" ALT="Keep Ohio Beautiful" BORDER="0">';
	displayed[12] = false;
	numads = numads + 1;
	
	banner[13]='<IMG SRC="KOBHeader13.gif" ALT="Keep Ohio Beautiful" BORDER="0">';
	displayed[13] = false;
	numads = numads + 1;
		
	//vars
	var how_many_ads = numads;
	var num_images_to_display = 1; //must be greater then 0
	var num_images_displayed = 0;
				
	//loop & output image
	while(true)
	{
			
		//get vals
		var ad = (Math.round((Math.random()*(numads-1))+1));
		
		//display if it hasn't been displayed already
		if (displayed[ad] == false)
		{
//			if (num_images_displayed > 0) document.write('<img src=\"http://columbushomepage.iupload.com/Asset/iu_images/spacer.gif\" height=1 width=6>');
			document.write(banner[ad]);
			displayed[ad] = true;
			num_images_displayed++;
		}
	
		if (num_images_displayed == num_images_to_display) break;
	}