function addvalue(thisform) {
	with (thisform) 
	{
	//alert ("I like to add value");
	
	var yearval = year.value;
	var yearval1 = year1.value.length;
	var yearval2 = year2.value.length;
	var yearval3 = year3.value.length;

	var makerval = maker.value;
	var modelval = model.value;
		
	var makerindex = maker.selectedIndex;
	var modelindex = model.selectedIndex;
	//alert ("Maker index is " + makerindex);
	//alert ("year1 is " + yearval1);
	//alert ("year2 is " + yearval2);
	//alert ("year3 is " + yearval3);
	//alert ("Model index is " + modelindex);
	
	if (makerindex == 0 || modelindex == 0)
		{alert ("You must select both a make and model");
		maker.focus();
		return false;
		}
		
	if (yearval1 == 0)
		{//alert ("Populating first column");
		maker1.value=makerval;
		model1.value=modelval;
		year1.value=yearval;
		return true;
		}	

    if (yearval2 == 0)
		{//alert ("Populating second column");
		maker2.value=makerval;
		model2.value=modelval;
		year2.value=yearval;
		return true;
		}
    
     if (yearval3 == 0)
		{//alert ("Populating third column");
		maker3.value=makerval;
		model3.value=modelval;
		year3.value=yearval;
		return true;
		}
		
		maker1.value=makerval;
		model1.value=modelval;
		year1.value=yearval;
		return false;	
		}
	}

////////////////////////////////////////////////////////////////
function clearvalue(thisform) {
	with (thisform) 
	{
maker1.value='';
		model1.value='';
		year1.value='';
		maker2.value='';
		model2.value='';
		year2.value='';
		maker3.value='';
		model3.value='';
		year3.value='';
		}
}


function resetForm(){
	//alert ("Reset Form called");
	
  for(var k=0;k







<script type="text/javascript">
  var wmNotice = "UNT Web Archive - External links, forms, and search boxes may not function within this collection. Url: http://ofmpub.epa.gov/greenvehicles/gvg_javascript.js time: 4:18:08 Oct 08, 2012";
  var wmHideNotice = "hide";
  var contextRoot = "https://webarchive.library.unt.edu/web/";
</script>
<script type="text/javascript" src="https://webarchive.library.unt.edu/web/js/disclaim.js"></script>

<document.AdvsearchForm.elements.length;k++)
  		{
		   	obj=document.AdvsearchForm.elements[k];
		   	//alert("Field  " + k + " is " + obj.name + " and type is "+ obj.type);
		   	if (obj.type == "select-multiple")
		   		{
		   		obj.selectedIndex=-1;
		   		 obj.style.color='black';
		   		 obj.style.backgroundColor='white';
		   		 obj.disabled=false;
		   		 }
		   	else if	 (obj.type == "select-one")
		   		{
		   		obj.selectedIndex=-1;
		   		 obj.style.color='black';
		   		 obj.style.backgroundColor='white';
		   		 obj.disabled=false;
		   		 }
		   	else if	 (obj.type=="text" || obj.type=="textarea")
		   		{//alert("Field  " + k + " is " + obj.name + " and type is "+ obj.type);
		   		obj.value='';
		   		 obj.style.color='black';
		   		 obj.style.backgroundColor='white';
		   		 obj.readOnly=false;
		   		 }	 
         else if  (obj.type == "checkbox")
		   		 {
            obj.checked='false';
           
           
           }
		   		 	
            //obj.style.color='black';
			//obj.style.backgroundColor='white';
			//if(obj.type !="hidden"){
          			// if(obj.type=="select-one"){
           	  		//	obj.disable=false;
             		//	 obj.selectedIndex=0;
           			//	 }else if(obj.type=="select-multiple"){
             			 //alert("My name is: " + obj.name);
              	//		obj.selectedIndex=-1;
               		//	obj.disable=false;
           			//	}else if(obj.type=="text" || obj.type=="textarea"){
           			//	 obj.value="";
           			//	 obj.readonly=
         			//	 }
     				//	 else
     				//	 {
       // alert("Hidden field: " + obj.name);
     				//	 }
		}
		
}



 function validate_required(field,alerttxt) {
        var str="Choose"
        with (field) {
		  
		  var pos=value.indexOf(str)
          if (pos>=0) {
		  	
            alert(alerttxt);
            return false
          } else {
            return true
          }
        }
      }
      function validate_form(thisform,code) { //1
        with (thisform) { 
		var fcode = code;
		   
		if (fcode == 1  || fcode ==3) // add or 3 tomorrow
		    {  
			   if (validate_required(state,"You must select a State")==false) { //3
               state.focus();
               return false;
			   }
         	 } //3 
		if (fcode == 1) 
		   {
		  		if (validate_required(maker,"You must select a Make")==false) { //5
             	maker.focus();
             	 return false;
            	} //5
			}	
		if (fcode == 2)
			{
		 		//alert("Youve gotten to code two blue");
				if (validate_required(stateType,"You must select a State")==false) { //3
            	stateType.focus();
            	 return false;
          		}	 //
         	}	
				
		if (fcode == 2)
			{
		 		//alert("Youve gotten to code two blue");
				if (validate_required(typeType,"You must select a Vehicle Type")==false) { //3
            	typeType.focus();
            	return false;
          		}	 //
         	}			
		 
		if (fcode == 3) 
		   {
		  		if (!smartbasic.checked && !smartelite.checked)
				   {
				   alert("You must check a smartway type");
				   smartbasic.focus();
				   return false;
				   }
			}	 
		
		if (fcode == 4) 
			{
				if (state.selectedIndex == -1)
					{
					alert("You must select a State or ALL STATES");
					state.focus();
					return false;
					}
					
					if (year.selectedIndex == -1)
					{
					alert("You must select a Model Year or ALL YEARS");
					year.focus();
					return false;
					}
					
					if (maker.selectedIndex == -1)
					{
					alert("You must select a Vehicle Make or ALL MAKES");
					maker.focus();
					return false;
					}
			}
			
				
		 return true;		
				
				
		  		
		 
		 } //2
      } //1

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
 var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
   var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i><a.length; i++)
   if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

//////////////////////////////////////////////////////////////////
function DisableFields(refname,affname)
{
var elem = document.getElementsByName(refname);
var chgelem = document.getElementsByName(affname);
var elemval = elem[0].value;
var elemsel = elem[0].selectedIndex;
//alert ("Selected Index is " + elemsel);

if ((elemval == null || elemsel == -1) || elemsel == 0)
		{
		//alert ("element exists");
		var chgval = chgelem[0];
		chgval.selectedIndex = -1;
		chgval.style.color = 'black';
		chgval.disabled = false;		
		//alert ("processing ending");
		}

else   {
		//alert ("element exists");
		var chgval = chgelem[0];
		chgval.selectedIndex = -1;
		chgval.style.color = '#BBBBBB';
		chgval.disabled = true;
		}

}
//////////////////////////////////////////////////////////////////
function DisableFields2(refname,modname1,modname2,affname)
{

var elem1 = document.getElementsByName(refname);
var elem2 = document.getElementsByName(modname1);
var elem3 = document.getElementsByName(modname2);
var chgelem = document.getElementsByName(affname);

var elemval4 = elem1[0].value.length;
var elemval5 = elem2[0].value.length;
var elemval6 = elem3[0].value.length;
//alert ("lengths are " + elemval4 + " " + elemval5 + " " + elemval6);

if (elemval4 == 0 && elemval5 == 0 && elemval6 == 0) 

		{
		//alert ("element exists");
		var chgval = chgelem[0];
		chgval.selectedIndex = -1;
		chgval.style.color = 'black';
		chgval.disabled = false;		
		//alert ("processing ending");
		}

else   {
		//alert ("element exists");
		var chgval = chgelem[0];
		chgval.selectedIndex = -1;
		chgval.style.color = '#BBBBBB';
		chgval.disabled = true;
		}

}

function DisableFields3(refname,modname1,modname2,affname)
{

var elem = document.getElementsByName(refname);
var chgelem1 = document.getElementsByName(modname1);
var chgelem2 = document.getElementsByName(modname2);
var chgelem3 = document.getElementsByName(affname);
var elemval = elem[0].value;
var elemsel = elem[0].selectedIndex;
//alert (elemval);


if ((elemval == null || elemsel == -1) || elemsel == 0)

		{
		//alert ("element exists");
		var chgval1 = chgelem1[0];
		var chgval2 = chgelem2[0];
		var chgval3 = chgelem3[0];
		
		chgval1.readOnly = false;
		chgval2.readOnly = false;
		chgval3.readOnly = false;
		
		chgval1.style.backgroundColor = 'white';
		chgval2.style.backgroundColor = 'white';
		chgval3.style.backgroundColor = 'white';
		//alert ("processing ending");
		}

else   {
		//alert ("element exists");
		var chgval1 = chgelem1[0];
		var chgval2 = chgelem2[0];
		var chgval3 = chgelem3[0];
		
		chgval1.value = '';
		chgval2.value = '';
		chgval3.value = '';
		
		chgval1.readOnly = true;
		chgval2.readOnly = true;
		chgval3.readOnly = true;
		
		chgval1.style.backgroundColor = '#CCCCCC';
		chgval2.style.backgroundColor = '#CCCCCC';
		chgval3.style.backgroundColor = '#CCCCCC';
		//alert ("processing ending");
		}

}



function popUp(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=325,height=375,l = 324.5,top = 196.5');");
}
function popUp2(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=450,height=500');");
}
function popUp3(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=720,height=500');");
}

function popUp4(URL) {
	var checkbox_choices = 0;
	var querystring = "";
  
	for (counter = 0; counter >< document.CompareCheckForm.selectedVehicle.length; counter++) {
		// If a checkbox has been selected it will return true
		// (If not it will return false)
		if (document.CompareCheckForm.selectedVehicle[counter].checked) { 
			checkbox_choices = checkbox_choices + 1;
			if (checkbox_choices == 1) {
				querystring = querystring + "?vehicle_ID=" + document.CompareCheckForm.selectedVehicle[counter].value; 
			} else {
				querystring = querystring + "&vehicle_ID" + checkbox_choices + "=" + document.CompareCheckForm.selectedVehicle[counter].value;
			}
		}
	}
	if (checkbox_choices > 3 ) {
		// If there were more than three selections made display an alert box 
		msg="You're limited to only three selections.\n"
		msg=msg + "You have made " + checkbox_choices + " selections.\n"
		msg=msg + "Please remove " + (checkbox_choices-3) + " selection(s)."
		alert(msg)
		return (false);
	} 
	if (checkbox_choices == 0 ) {
		// If there were less then selections made display an alert box 
		alert("Please make selections. \n")
		return (false);
	}
  URL = URL + querystring;
  day = new Date();
  id = day.getTime();
  //alert(URL);
  eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=720,height=500');");
}

function popUp5(URL) {
	var popUpFlag = 1; // turns Pop-up feature on (1) and off (0)  cw 01/11/07
	//var checkbox_choices = 0;
	//var querystring = "?vehicle_ID=1";
	var querystring = "";
    //querystring = querystring + "?vehicle_ID=1000"; 
			
  URL = URL + querystring;
  day = new Date();
  //alert(URL);
  id = day.getTime();
  if (popUpFlag) {
  	eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=565,height=500');");
	} else {
	//alert(URL.replace(".do","_Full.do"));
	location.href = URL.replace(".do","_Full.do"); // with Pop-ups off go to "Full" screen view action  cw 01/11/07
	}
}

 function popUp6(url,frname,width,height) {
   		 window.open(url,frname,
                "resizable=1,menubar=no,toolbar=no,location=no,directories=no,width="
                +width+",height="+height+",scrollbars=yes");
    	 }

// added for Dynmic Menus Browser detection
var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();

>




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