function showvolume(value) {
	if(value == "intro") {
		intro.className="visible";
		noselect.className="hidden";
		evenyear.className="hidden";
		allyear.className="hidden";
		allyearend07.className="hidden";
		evenyear98.className="hidden";
		gis.className="hidden";
	}
    if(value == "noselect") {
		noselect.className="visible";
		intro.className="hidden";
		evenyear.className="hidden";
		allyear.className="hidden";
		allyearend07.className="hidden";
		evenyear98.className="hidden";
		gis.className="hidden";
	}
	if(value == "evenyear") {
		evenyear.className="visible";
		intro.className="hidden";
		noselect.className="hidden";
		allyear.className="hidden";
		allyearend07.className="hidden";
		evenyear98.className="hidden";
		gis.className="hidden";
	}
	if(value == "allyear") {
		allyear.className="visible";
		intro.className="hidden";
		noselect.className="hidden";
		allyearend07.className="hidden";
		evenyear.className="hidden";
		evenyear98.className="hidden";
		gis.className="hidden";
	}
	if(value == "allyearend07") {
		allyearend07.className="visible";
		intro.className="hidden";
		noselect.className="hidden";
		allyear.className="hidden";
		evenyear.className="hidden";
		evenyear98.className="hidden";
		gis.className="hidden";
	}
	if(value == "evenyear98") {
		evenyear98.className="visible";
		intro.className="hidden";
		noselect.className="hidden";
		allyear.className="hidden";
		allyearend07.className="hidden";
		evenyear.className="hidden";
		gis.className="hidden";
	}
}

function indexMaps(){
				 var count=0;
				 var year=document.frmindexmaps.frmindexmapselect.value;
				 for(y=0;y<document.frmindexmaps.aadt.length;y++){
				    if(document.frmindexmaps.aadt[y].checked==true){
						 if(year!=""){
						  var name = document.frmindexmaps.aadt[y].value;
							window.open("../maps/indexmaps/"+year+"/"+name+".pdf");
							break;
						 }
						 else{
						  alert("Please select the year.");
						 }
						}
						else{
						 count++;
						 if(count==11){
						   alert("Please select Minneapolis or St. Paul or Metro Index Map and then select the year.");
						 }
						}
				 }
}

function indexMaps2(){
				 var count=0;
				 var year=document.frmindexmaps.frmindexmapselect2.value;
				 for(y=0;y<document.frmindexmaps.aadt.length;y++){
				    if(document.frmindexmaps.aadt[y].checked==true){
						 if(year!=""){
						  var name = document.frmindexmaps.aadt[y].value;
							window.open("../maps/trunkhighway/"+year+"/counties/a_county_index.pdf");
							break;
						 }
						 else{
						  alert("Please select the year.");
						 }
						}
						else{
						 count++;
						 if(count==9){
						   alert("Please select Minneapolis or St. Paul or Metro Index Map and then select the year.");
						 }
						}
				 }
}

function indexMaps3(){
				 var count=0;
				 var year=document.frmindexmaps.frmindexmapselect3.value;
				 for(y=0;y<document.frmindexmaps.aadt.length;y++){
				    if(document.frmindexmaps.aadt[y].checked==true){
						 if(year!=""){
						  var name = document.frmindexmaps.aadt[y].value;
							window.open("../maps/trunkhighway/"+year+"/state_and_metro/"+name+".pdf");
							break;
						 }
						 else{
						  alert("Please select the year.");
						 }
						}
						else{
						 count++;
						 if(count==9){
						   alert("Please select Minneapolis or St. Paul or Metro Index Map and then select the year.");
						 }
						}
				 }
}
function indexMaps4(){
				 var count=0;
				 for(x=0;x<10;x++){
				 		if(document.frmindexmaps.aadt[x].checked==true){
						   var name=document.frmindexmaps.aadt[x].value;
							 window.open(""+name+"");
							 break;
						}
						else{
						 count++;
						 if(count==10){
						   count=0;
							 alert("Please select which report you want to view.");
						 }
						}
				 }
}
function indexMaps5(){
				 var count=0;
				 var year=document.frmindexmaps.frmindexmapselect5.value;
				 for(y=0;y<document.frmindexmaps.aadt.length;y++){
				    if(document.frmindexmaps.aadt[y].checked==true){
						 if(year!=""){
						  var name = document.frmindexmaps.aadt[y].value;
							window.open("ftp://ftp2.dot.state.mn.us/pub/outbound/TDA/Traffic"+year+"/");
							break;
						 }
						 else{
						  alert("Please select the year.");
						 }
						}
						else{
						 count++;
						 if(count==9){
						   alert("Please select Minneapolis or St. Paul or Metro Index Map and then select the year.");
						 }
						}
				 }
}
function indexMaps6(){
				 var count=0;
				 var year=document.frmindexmaps.frmindexmapselect6.value;
				 for(y=0;y<document.frmindexmaps.aadt.length;y++){
				    if(document.frmindexmaps.aadt[y].checked==true){
						 if(year!=""){
						  var name = document.frmindexmaps.aadt[y].value;
							window.open("../maps/indexmaps/"+year+"/"+name+".pdf");
							break;
						 }
						 else{
						  alert("Please select the year.");
						 }
						}
						else{
						 count++;
						 if(count==9){
						   alert("Please select Minneapolis or St. Paul or Metro Index Map and then select the year.");
						 }
						}
				 }
}