var points2 =  ["Alabama River","Allegheny River","Apalachicola River",
"Arkansas River","Atchafalaya River","Big Sandy River","Black River",
"Black Warrior River","Calumet River","Chattahoochee River","Chicago River","Clearwater River",
"Clinch River","Columbia River","Cumberland River","Delaware River","Duck River","Elk River",
"Flint River","Green River","Harpeth River","Hiwassee River","Holston River","Hudson",
"Illinois River","Kanawha River","Kaskaskia River","Kentucky River",
"Licking River","Little Tennessee River","Minnesota River","Mississippi River",
"Missouri River","Mobile River",
"Monongahela River","Muskingum River","Niagara River",
"Ohio River","Ouchita River","Pascagoula River","Pearl River",
"Potomac River","Red River","St. Croix River","St. Johns River","Snake River","Stones River",
"Suwannee River","Tennessee River","Verdigris River","Wabash River","White River","Wisconsin River",
"Yazoo River"];
 
var cvalus2 = 
["rivrs/bhrvalabama.php","rivrs/bhrvallegheny.php","rivrs/bhrvapalachicola.php",
"rivrs/bhrvarkansas.php","rivrs/bhrvatchafalaya.php","rivrs/bhrvbigsandy.php","rivrs/bhrvblack.php",
"rivrs/bhrvblwarrior.php","rivrs/bhrvcalumet.php","rivrs/bhrvChatta.php","rivrs/bhrvchicago.php",
"rivrs/bhrvclearwater.php","rivrs/bhrvclinch.php","rivrs/bhrvcolumbia.php","rivrs/bhrvcumberland.php",
"rivrs/bhrvdelaware.php","rivrs/bhrvduck.php","rivrs/bhrvelk.php",
"rivrs/bhrvflint.php","rivrs/bhrvgreen.php","rivrs/bhrvharpeth.php","rivrs/bhrvhiwassee.php",
"rivrs/bhrvholston.php","rivrs/bhrvhudson.php","rivrs/bhrvillinois.php",
"rivrs/bhrvkanawha.php","rivrs/bhrvkaskaskia.php","rivrs/bhrvkentucky.php",
"rivrs/bhrvlicking.php","rivrs/bhrvliltenn.php","rivrs/bhrvminnesota.php","rivrs/bhrvmississippi.php",
"rivrs/bhrvmissouri.php","rivrs/bhrvmobile.php",
"rivrs/bhrvmonongahela.php","rivrs/bhrvmuskingum.php","rivrs/bhrvniagara.php",
"rivrs/bhrvohio.php","rivrs/bhrvouchita.php","rivrs/bhrvpascagoula.php","rivrs/bhrvpearl.php",
"rivrs/bhrvpotomac.php","rivrs/bhrvred.php",
"rivrs/bhrvstcroix.php","rivrs/bhrvstjohns.php","rivrs/bhrvsnake.php","rivrs/bhrvstones.php",
"rivrs/bhrvsuwannee.php","rivrs/bhrvtennessee.php","rivrs/bhrvverdigris.php","rivrs/bhrvwabash.php",
"rivrs/bhrvwhite.php","rivrs/bhrvwisconsin.php","rivrs/bhrvyazoo.php"]; 

	function removeOptions(optionMenu)
	{
	  optionMenu.options.length = 0;
	}

	
	function addOpts(optionList, valueList, optionMenu)
	{
	 var i=0; var j=-1;
	 removeOptions(optionMenu);  // clear out the options
	 for (i=0; i < optionList.length; i++)
	    {
	     j++ 
	     optionMenu[j] = new Option(optionList[i], valueList[i]);
	    }
	optionMenu.selectedIndex = 0;    
   	}


	function includechange()
	{
	addOpts(points2,cvalus2,document.navform2.menu2);
	}

	function OnPageLoad()
	{
	      includechange();                
        }        
