function changeCode(){ 
// clear variables
        var baseweight = 0;
        var mc = "";
        var err = "";
        var ser = "";
        var psi = "";
        var price = "";
        var baseweight = 0;
        var baseprice = 0;
        var basedescrip = "";
        var actweight = 0;
        var actprice = 0;
        var actdescrip = "";
        var actvoltage = "";
        var failpos = "";
        var mountprice = 0;
        var mountweight = 0;
        var solprice = 0;
        var limprice = 0;
        var solweight = 0;
        var limweight = 0;
        var siz = "";
        var nqs = "no";
        var infotext = "";
        var bodymat = "Stainless Steel";
        var sizedescrip = "";
        var condescrip = "NPT (female)";
        var infoflo = "";
        var seatmat = "RPTFE";
        var sealmat = "RPTFE";
        var soldescrip = "";
        var solvoltage = "";
        var limdescrip = "";
		var sol = "";
		var lim = "";
		var solpic = "";
		var limpic = "";
		var solt = "";
		var solc = "";
		var solv = "";
		var actt = "";
		var actn = "";
		var actcad = "";

        var posdescrip = "";
        var posprice = 0;
        var posweight = 0;
        var pos = "";
		
			
											
        document.codeform.price.value = "";
		
// get all user selections


	if (document.codeform.act_type.value == "") {
		document.getElementById("pre_act").style.display="block";
	} else {
		document.getElementById("pre_act").style.display="none";
		// document.getElementById("acc").className="vis_tr";
	}


        if (document.codeform.size[0].checked) {var siz = "A"; var sizedescrip =  "1/4 inch"};
        if (document.codeform.size[1].checked) {var siz = "B"; var sizedescrip =  "3/8 inch"};
        if (document.codeform.size[2].checked) {var siz = "C"; var sizedescrip =  "1/2 inch"};
        if (document.codeform.size[3].checked) {var siz = "D"; var sizedescrip =  "3/4 inch"};
        if (document.codeform.size[4].checked) {var siz = "E"; var sizedescrip =  "1 inch"};
        if (document.codeform.size[5].checked) {var siz = "F"; var sizedescrip =  "1-1/4 inch"};
        if (document.codeform.size[6].checked) {var siz = "G"; var sizedescrip =  "1-1/2 inch"};
        if (document.codeform.size[7].checked) {var siz = "H"; var sizedescrip =  "2 inch"};
        if (document.codeform.size[8].checked) {var siz = "J"; var sizedescrip =  "3 inch";}; 

//	if (siz == "J"){		
//			document.getElementById('V4text').innerHTML = "K4 series";
//			document.getElementById('R4text').innerHTML = "O4 series";
//			document.getElementById('V4').innerHTML = '<img src="/images/thumbnails/K4.jpg" width="72" height="72">';
//			document.getElementById('R4').innerHTML = '<img src="/images/thumbnails/K4.jpg" width="72" height="72">';
//			document.getElementById('V424').style.display = "none";
//			document.getElementById('V412').style.display = "none";
//			document.getElementById('R4120').style.display = "none";
//			if (document.codeform.actuator[13].checked) { document.codeform.actuator[16].checked = 1;}
//			if (document.codeform.actuator[14].checked) { document.codeform.actuator[17].checked = 1;}
//			if (document.codeform.actuator[15].checked) { document.codeform.actuator[12].checked = 1;}
//			} else {
//			document.getElementById('V4text').innerHTML = "V4 series";
//			document.getElementById('R4text').innerHTML = "R4 series";
//			document.getElementById('V4').innerHTML = '<img src="/images/thumbnails/NV.jpg" width="72" height="72">';
//			document.getElementById('R4').innerHTML = '<img src="/images/thumbnails/R.jpg" width="72" height="72">';
//			document.getElementById('V424').style.display = "table-cell";
//			document.getElementById('V412').style.display = "table-cell";
//			document.getElementById('R4120').style.display = "table-cell";
//		}


// Actuators ---------------------------



    // Pneumatic actuators
	if (document.codeform.act_type.value == "P") {
		var actt="P";
			
          if (document.codeform.act_p[0].checked) {
		  var act = "08SC"; var actn = "OSR8"; var actpic = "08S"; var failpos = " (Fail to CLOSED)"; var psi = "80"; var solt = "E"; var actt="P"; var actcad = "08S"};
		  
          if (document.codeform.act_p[1].checked) {
		  var act = "06SC"; var actn = "OSR6"; var actpic = "08S"; var failpos = " (Fail to CLOSED)"; var psi = "60"; var solt = "E"; var actt="P"; var actcad = "06S"};
		  
          if (document.codeform.act_p[2].checked) {
		  var act = "08SO"; var actn = "OSR8"; var actpic = "08S"; var failpos = " (Fail to OPEN)"; var psi = "80"; var solt = "E"; var actt="P"; var actcad = "08S"};
		  
          if (document.codeform.act_p[3].checked) {
		  var act = "06SO"; var actn = "OSR6"; var actpic = "08S"; var failpos = " (Fail to OPEN)"; var psi = "60"; var solt = "E"; var actt="P"; var actcad = "06S"};
		  

          if (document.codeform.act_p[4].checked) {
		  var act = "08D"; var actn = "ODA8"; var actpic = "08D"; var psi = "80"; var solt = "C"; var actt="P"; var actcad = "08D"};
		  
          if (document.codeform.act_p[5].checked) {
		  var act = "06D"; var actn = "ODA6"; var actpic = "08D"; var psi = "60"; var solt = "C"; var actt="P"; var actcad = "06D"};
		  
		  

          if (document.codeform.act_p[6].checked) {
		  var act = "E8SC"; var actn = "ESR8"; var actpic = "E8S"; var failpos = " (Fail to CLOSED)"; var psi = "80"; var solt = "E"; var actt="P"; var actcad = "E8S"};
		  
          if (document.codeform.act_p[7].checked) {
		  var act = "E6SC"; var actn = "ESR6"; var actpic = "E8S"; var failpos = " (Fail to CLOSED)"; var psi = "60"; var solt = "E"; var actt="P"; var actcad = "E6S"};
		  
          if (document.codeform.act_p[8].checked) {
		  var act = "E8SO"; var actn = "ESR8"; var actpic = "E8S"; var failpos = " (Fail to OPEN)"; var psi = "80"; var solt = "E"; var actt="P"; var actcad = "E8S"};
		  
          if (document.codeform.act_p[9].checked) {
		  var act = "E6SO"; var actn = "ESR6"; var actpic = "E8S"; var failpos = " (Fail to OPEN)"; var psi = "60"; var solt = "E"; var actt="P"; var actcad = "E6S"};
		  

          if (document.codeform.act_p[10].checked) {
		  var act = "E8D"; var actn = "EDA8"; var actpic = "E8D"; var psi = "80"; var solt = "C"; var actt="P"; var actcad = "E8D"};
		  
          if (document.codeform.act_p[11].checked) {
		  var act = "E6D"; var actn = "EDA6"; var actpic = "E8D"; var psi = "60"; var solt = "C"; var actt="P"; var actcad = "E6D"};
		}

     // Electric actuators
	if (document.codeform.act_type.value == "E") {
		var actt="E";

        if (document.codeform.act_e[0].checked) {
		var act = "V4A"; var actn = "VEN4AC"; var actpic = "V4"; var actv = "A"; var actvoltage = " 120 VAC"; var actt="E"; var actcad = "V4"};
		
        if (document.codeform.act_e[1].checked) {
		var act = "V4B"; var actn = "VEN4DC"; var actpic = "V4"; var actv = "B";  var actvoltage = " 24 VDC"; var actt="E"; var actcad = "V4"};
		
        if (document.codeform.act_e[2].checked) {
		var act = "V4F"; var actn = "VEN4DC"; var actpic = "V4"; var actv = "F";  var actvoltage = " 12 VDC"; var actt="E"; var actcad = "V4"};
		
		
        if (document.codeform.act_e[3].checked) {
		var act = "R4A"; var actn = "REN4AC"; var actpic = "R4"; var actv = "A"; var actvoltage = " 120 VAC"; var actt="E"; var actcad = "R4"};
		
        if (document.codeform.act_e[4].checked) {
		var act = "R4B"; var actn = "REN4DC"; var actpic = "R4"; var actv = "B";  var actvoltage = " 24 VDC"; var actt="E"; var actcad = "R4"};
		
        if (document.codeform.act_e[5].checked) {
		var act = "R4F"; var actn = "REN4DC"; var actpic = "R4"; var actv = "F";  var actvoltage = " 12 VDC"; var actt="E"; var actcad = "R4"};
		
        if (document.codeform.act_e[6].checked) {
		var act = "B7A"; var actn = "EXPAC"; var actpic = "B7"; var actv = "A";  var actvoltage = " 120 VAC"; var actt="E"; var actcad = ""};
	}
	
     // Manual Handle actuators
	if (document.codeform.act_type.value == "M") {
		var actt="M";

        if (document.codeform.act_m.checked) {
		var act = "M"; var actn = "MAN"; var actpic = "M"; var actt="M"; var actcad = "M"};
	}
	

// Solenoids ---------------------------

	if (actt == "P"){
        if (document.codeform.solenoid[0].checked) {var solc = ""};
        if (document.codeform.solenoid[1].checked) {var solc = "3"};
        if (document.codeform.solenoid[2].checked) {var solc = "4"};
        if (document.codeform.solenoid[3].checked) {var solc = "5"};
        if (document.codeform.solenoid[4].checked) {var solc = "6"};
        if (document.codeform.solenoid[5].checked) {var solc = "2"};
		
        if (document.codeform.solenoidv[0].checked) {var solv = "A"; var solvoltage="120 VAC"};
        if (document.codeform.solenoidv[1].checked) {var solv = "B"; var solvoltage="24 VDC"};
        if (document.codeform.solenoidv[2].checked) {var solv = "F"; var solvoltage="12 VDC"};
		
		if (solc!=""){var sol=solt+solc+solv; var solpic=solt+"3";
			if (solc=="2"){ var solpic=solt+"2";}
			}
	}

// Limit Switches ---------------------------
	if (actt == "P"){
        if (document.codeform.limit[0].checked) {var lim = ""};
        if (document.codeform.limit[1].checked) {var lim = "YF"; var limpic = "YF"};
        if (document.codeform.limit[2].checked) {var lim = "UA"; var limpic = "UB"};
        if (document.codeform.limit[3].checked) {var lim = "UB"; var limpic = "UB"};
		
        if (document.codeform.limit[4].checked) {var lim = "YO"; var limpic = "YW4"};
        if (document.codeform.limit[5].checked) {var lim = "YH"; var limpic = "YW7"};
        if (document.codeform.limit[6].checked) {var lim = "YE"; var limpic = "YW7"};
	}
	



// Check for exceptions ----------------------------------------------------------
	  
	  

	if ((siz=="J") && (actpic == "R4" || actpic == "V4")){
//		alert('3 inch valves require actuators other than R4 or V4.\nThe correct actuator has been substituted.');
		if (actv == "A"){ var act = "K4A"; var actpic = "K4"}
		if (actv == "B"){ var act = "O4B"; var actpic = "K4"}
		if (actv == "F"){ var act = "O4F"; var actpic = "K4"}
	}	

// Set model code & pic variables ---------------------------

        var pmc = ""+act+sol+lim;
        var pic = ""+actpic+solpic+limpic;
        var mc = siz+"26NRX"+act+sol+lim;
        var cadmc = siz+"26NRX"+actcad;
		
// mark cads that are not available
	if (actcad == ""){ var cadmc = ""}		
	if (siz == "J"){ var cadmc = ""}		

		if (cadmc == ""){var cadmc = "NA";
			document.getElementById('cadlink').innerHTML =
			'<img src="/images/cad_na_icon.gif" alt="CAD files for automated valves" width="27" height="32" border="0" align="absmiddle"><span style="color:#666666"> CAD File not available at this time</span>';
			} else {
			document.getElementById('cadlink').innerHTML =
			'<a href="#" onClick="cad()"><img src="/images/cad_icon.gif" alt="CAD files for automated valves" width="27" height="32" border="0" align="absmiddle"> View/Download CAD File</a>';
			}




// ---------- MANUAL HANDLES Set Alternate Model Codes for 21 series & price

// if (pmc =='M'){  var pic = "M";
//    if (siz == "A" || siz == "B" || siz == "C" || siz == "D" || siz == "E" || siz == "F" || siz == "G" || siz == "H"){
//	var amc = siz+"21NRXM";
//    		if (warned != "yes"){
//        alert('The valve that you have chosen, '+mc+',\rhas a more economical equivalent in the 21 series.\r\rModel '+amc+'\r\rMax Pressure = 1000 PSIG (at 100 deg F).\rThis valve does not include a mounting pad for actuators or limit switches.');
//            			var warned = 'yes'; }        

// alert(warned); 
// }
//}
//if (pmc =='MUB'){  var pic = "MUB";
//    if (siz == "J"){ var price = "call 1-800-899-0553"}
//   }

// Set Prices -----------------------------------------------

if (actt != "") {	 // ******************************** BEGIN SET PRICING


 	var baseprice = eval('SIZE_'+siz+'.price');
	var baseweight = eval('SIZE_'+siz+'.weight');
	
//	alert('base price = '+baseprice);
//	alert('base weight = '+baseweight);
		
//	alert(SIZE_B.OSR8.ACT);
//	alert(SIZE_B.OSR8.MOUNT);

	var actmod = eval('SIZE_'+siz+'.'+actn+'.ACT');
	var actprice = eval('ACT_'+actmod+'.price');
	var actweight = eval('ACT_'+actmod+'.weight');
	var actdescrip = eval('ACT_'+actmod+'.descrip')+failpos+actvoltage;


	var mount = eval('SIZE_'+siz+'.'+actn+'.MOUNT');
	var mountprice = eval('MOUNT_'+mount+'.price');
	var mountweight = eval('MOUNT_'+mount+'.weight');
	
//	alert('mounting kit is '+mount+' , '+mountprice+' , '+mountweight);
//	alert('actuator is '+actmod+' , '+actprice+' , '+actweight+' , '+actdescrip);
	
	


// solenoid pricing, weight, & description
	
	if (sol !=''){
		  var solbeg2 = sol.substring(0, 2);
	      var solprice = eval('sol_'+solbeg2+'_price');
	      var solweight = eval('sol_'+solbeg2+'_weight');
	      var soldescrip = (eval('sol_'+solbeg2+'_descrip'))+" "+solvoltage;
	    }


// limit switch pricing, weight, & description

	if (lim !=''){
	      var limprice = eval(lim+'_price');
	      var limweight = eval(lim+'_weight');
	      var limdescrip = eval(lim+'_descrip');
	    }

// TOTAL PRICE

     var price = Math.round(baseprice+actprice+mountprice+solprice+limprice);

// TOTAL WEIGHT

	var weight = baseweight+actweight+mountweight+solweight+limweight;
	
 } // END PRICING
	

if (actt == "") {	// ******************************** BEGIN NO ACTUATOR SELECTED
	var actdescrip = "<span style='color:#CC0000;'>Not Selected Yet</span>";
	var mc = "Incomplete";
	var pic = "invalid";
}
	

// DESCRIPTIONS

       var infotext = "<b> Body Material: </b>"+bodymat+"<br>"+
                       "<b> Size & Connection: </b>"+sizedescrip+" "+condescrip+"<br>"+
                       "<b> Seats: </b>"+seatmat+" | <b> Stem Seals: </b>"+sealmat+"<br>"+
                       "<b> Actuator: </b>"+actdescrip;

		if (psi != "") {
			var infotext = infotext +"<br>(sized for using "+psi+"psi supply air in applications up to 300psi DP)";}

            var infotext = infotext + "<br>";
			
                     //   "<b> Flow Plan: </b>"+infoflo+"<br>"+

		if (soldescrip != "") {
			var infotext = infotext +"<b>Actuator Solenoid: </b>"+soldescrip+"<br>";}

		if (limdescrip != "") {
			var infotext = infotext +"<b>Limit Switch: </b>"+limdescrip+"<br>";}

if (siz == ""){var pic = "08S"; var price = ""; var mc = "Select Size"}

if (mc == "Incomplete"){ 	
	document.getElementById("add").disabled=true;
	document.getElementById("add").className="BUTTOND";
} else {
	document.getElementById("add").disabled=false;
	document.getElementById("add").className="BUTTON";
}


        document.codeform.actmod.value = "["+act+"] = "+actdescrip;
		if (actt=="") {document.codeform.actmod.value = "not selected";}


        document.codeform.price.value = price;  
		document.getElementById('listprice').innerHTML = price;
		if (price != "") {
			var qty = document.codeform.qty.value;
			var unit = document.codeform.price.value;
			var extprice = unit * qty;
			document.getElementById('extendedPrice').innerHTML= extprice;
		} else {
			document.getElementById('extendedPrice').innerHTML= "";
		}
	

        document.codeform.modelcode.value = mc;
		document.getElementById('PN').innerHTML = mc;

        document.codeform.imgsrc.value = "/26/models/"+pic+".jpg";

        document.codeform.id.value = mc;
        document.codeform.cadcode.value = cadmc;
        document.codeform.info.value = infotext;
        document.codeform.weight.value = weight;
        document.codeform.prodname.value = '26 Series';
        document.codeform.prodseries.value = 'Stainless Steel Full Port 2-way Ball Valve';


  var psummary = 'price = base:'+baseprice+'<br> act:'+actprice+'<br> mount:'+mountprice+'<br> sol:'+solprice+'<br> lim:'+limprice+'<br> pos:'+posprice;
  var wsummary = 'weight = base:'+baseweight+'<br> act:'+actweight+'<br> mount:'+mountweight+'<br> sol:'+solweight+'<br> lim:'+limweight+'<br> pos:'+posweight;


// ------------------------------------------------------------------------

 //  alert(summary);
 
 
    document.getElementById('infospan').innerHTML = "<table class='small'><tr><td align='left'><span class='Headertextcart'>26 Series 2-way Ball Valve</span><br>"+infotext+"</td></tr></table>";

   document.getElementById('calcspan').innerHTML = "<table class='small'><tr><td align='right'>"+psummary+"</td><td align='right'>"+wsummary+"</td></tr></table>";




var img26 = new Image();
img26.src = "models/"+pic+".jpg";

        document.images[ "mainimg" ].src = eval( "img26.src" )
}