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 actt = "";
        var failpos = "";
        var mountprice = 0;
        var mountweight = 0;
        var solprice = 0;
        var limprice = 0;
        var solweight = 0;
        var limweight = 0;
        var posweight = 0;
        var siz = "";
        var nqs = "no";
        var infotext = "";
        var bodymat = "Ductile Iron";
        var sizedescrip = "";
        var con = "";
        var condescrip = "";
        var conprice = 0;
        var infoflo = "";
        var sel = "";
        var lim = "";
        var con = "X";
        var seldescrip = "";
        var selprice = 0;
        var posprice = 0;
        var dis = "";
        var disprice = 0;
        var disdescrip = "Stainless Steel";
        var soldescrip = "";
        var solvoltage = "";
        var limdescrip = "";
        var posdescrip = "";
        var posprice = 0;
        var posweight = 0;
        var pos = "";
        var pospic = "";
		var sol = "";
		var solpic = "";
		var limpic = "";
		var solt = "";
		var solc = "";
		var solv = "";
		var pact = "";
		var DP = "150";
		var cwcode = "";
		var cwweight = 0;
		var cwprice = 0;
		var cwdescrip = "";
		
		var chainlength = 0;
		var chainweight = 0;
		var chainprice = 0;

		var chainppf = 0;
		var chainwpf = 0;
		
		var sewpi = 0; 
		var seppi = 0;
		var sebase = 0;
		var selength = 0;
		var seweight = 0;
		var seprice = 0;
		var secode = "";

		var boltprice = 100;
		var flangeprice = 100;		
		var fkt = "SO"
		
		
        document.codeform.price.value = "";
  //      document.codeform.act_type.value = "";
		
// get all user selections


			document.getElementById('O8SC').style.color = "#000000";
			document.getElementById('O6SC').style.color = "#000000";
			document.getElementById('O8SO').style.color = "#000000";
			document.getElementById('O6SO').style.color = "#000000";
			document.getElementById('O8DA').style.color = "#000000";
			document.getElementById('O6DA').style.color = "#000000";

			document.getElementById('V4A').style.color = "#000000";
			document.getElementById('V4B').style.color = "#000000";
			document.getElementById('V4F').style.color = "#000000";


//			document.getElementById('K4E').style.color = "#000000";
//			document.getElementById('I4A').style.color = "#000000";
//			document.getElementById('I4F').style.color = "#000000";
//			document.getElementById('I4B').style.color = "#000000";
//			document.getElementById('I4E').style.color = "#000000";



// Size ---------------------------------------------------------

        if (document.codeform.size[0].checked) {var siz = "C"};
        if (document.codeform.size[1].checked) {var siz = "D"};
        if (document.codeform.size[2].checked) {var siz = "E"};
        if (document.codeform.size[3].checked) {var siz = "G"};
        if (document.codeform.size[4].checked) {var siz = "H"};
        if (document.codeform.size[5].checked) {var siz = "J"};
        if (document.codeform.size[6].checked) {var siz = "K"};	
		
	if (siz == "J" || siz == "K") {
		document.getElementById('V4A').style.color = "#999999";
		document.getElementById('V4B').style.color = "#999999";
		document.getElementById('V4F').style.color = "#999999";
		
		if (document.codeform.act_e[0].checked) {document.codeform.act_e[3].checked = 1;}
		if (document.codeform.act_e[1].checked) {document.codeform.act_e[4].checked = 1;}
		if (document.codeform.act_e[2].checked) {document.codeform.act_e[5].checked = 1;}
	}	
		

// Connection ---------------------------------------------------------

        if (document.codeform.connection[0].checked) {var con = "N"; var conpic = "S"; var condescrip = "NPT (female)"};
        if (document.codeform.connection[1].checked) {var con = "S"; var conpic = "S"; var condescrip = "Sched. 80 Glue Socket"};
        if (document.codeform.connection[2].checked) {var con = "F"; var conpic = "F"; var condescrip = "ANSI 150 lb. Flange"};

		

// Seat Material ---------------------------
        if (document.codeform.seal[0].checked) {var sel = "E"; var seldescrip = "EPDM"};
        if (document.codeform.seal[1].checked) {var sel = "V"; var seldescrip = "VITON"};

// Body Material ---------------------------
        if (document.codeform.body[0].checked) {var bod = "P"; var bodymat = "PVC"};
        if (document.codeform.body[1].checked) {var bod = "C"; var bodymat = "CPVC"};

var sizedescrip =  eval('PB'+bod+'SIZE_'+siz+'.siz_descrip');

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

	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";
	}


//  ************************************************************************ 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 actcad="08SC"};
				
          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 actcad="06SC"};
				
          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 actcad="08SC"};
				
          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 actcad="06SC"};
			

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

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

	}
	// ****************************************************************************************************************************** End Pneumatic actuators


// 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 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 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 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 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 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 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 actcad=""};
			
	}
	// **************************************************************************************************** End Electric actuators


// Manual Handle actuators ***********************************************************************************************************

	if (document.codeform.act_type.value == "M") {
		var actt="M";

        if (document.codeform.act_m[0].checked) {var act = "M"; var actn = "MAN"; var actpic = "M"; var actcad="M"};
			
	}
	// ************************************************************************************************************** End Manual Handle actuators


	
// 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 (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 ----------------------------------------------------------

   // Remove Solenoid valves from Manual & Electric Actuators 
	if ((act == "M" || act == "G" || actpic == "K4" || actpic == "O4" || actpic == "B7") && (sol != "")){
//         alert('Solenoid Valves are only for use on Pneumatic Actuators.\rThe solenoid valve will be reset to NONE.');
//         document.codeform.solenoid[0].checked = 1;
         var sol = "";  var solpic = "";  var solt = "";  var solv = "";  var solc = ""
       }

 // ---------------Alert for Explosion Proof Solenoid & non XP Limit Switch -----------------------------------------------------------------
//	if ((limpic == "UB" || limpic == "YF" ) && (solc == "2")){
//         alert('This assembly is NOT Explosion Proof.\n\nYou have chosen an Explosion Proof Solenoid,\nbut the limit switch you have selected is NOT.');
//      }

 // --------------Alert for Explosion Proof Limit Switch & non XP Solenoid -------------------------------------------------------------------------
//	if ((limpic == "YW4" || limpic == "YW7") && 
//	    (solc == "3" || solc == "4" || solc == "5" || solc == "6")){
//         alert('This assembly is NOT Explosion Proof.\n\nYou have chosen an Explosion Proof Limit Switch,\nbut the Solenoid you have selected is NOT.');
//      	}
	   
   // Remove Limit Switch for Electric Actuators -----------------------------------------------------------------------------------------
//	if ((lim != "") && (actpic == "K4" || actpic == "O4" || actpic == "B7")){
//           alert('All electric actuators include position switches.\rThe Limit Switch will be reset to NONE.');
//         document.codeform.limit[0].checked = 1;
//		 	var lim = ""; var limpic = ""; 
 //       }

   // Remove Limit switches for Manual Actuators -----------------------------------------------------------------------------------------------
//	if ((act == "M" || act == "G") && (lim != "")){
//         alert('Limit switches are only for use with Pneumatic Actuators.\rThe limit switch will be reset to NONE.');
//         document.codeform.limit[0].checked = 1;
//		 	var lim = ""; var limpic = ""; 
//      }

		   

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

	

	        var pmc = ""+act+sol+lim;
	        var pic = "P"+conpic+actpic+solpic+limpic;
	        var mc = siz+"PB"+bod+sel+con+act+sol+lim;


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

	
if (actt != "") {	 // ******************************** BEGIN SET PRICING
 	var baseprice = eval('PB'+bod+'SIZE_'+siz+'.price');
	var baseweight = eval('PB'+bod+'SIZE_'+siz+'.weight');
	
	var actmod = eval('PB'+bod+'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('PB'+bod+'SIZE_'+siz+'.'+actn+'.MOUNT');
	var mountprice = eval('MOUNT_'+mount+'.price');
	var mountweight = eval('MOUNT_'+mount+'.weight');

	if (con =='F'){
	      var conprice = eval('PB'+bod+'SIZE_'+siz+'.Flange');
         }


// 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');
	    }
		
// Seal Material pricing & description


	if (sel =='V'){
	      var selprice = eval('PB'+bod+'SIZE_'+siz+'.VITON');
//	  alert('BUNA_'+con+siz+' = '+selprice)  
         }

  
 
// TOTAL PRICE

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

// 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"+bod;
}



// DESCRIPTIONS

       var infotext = "<b>Body Material: </b>"+bodymat+"<br>"+
                       "<b> Size & Connection: </b>"+sizedescrip+" "+condescrip+"<br>";
					   
       var infotext = infotext +"<b> Seats: </b>"+seldescrip+"<br>"+
                       "<b> Actuator: </b>"+actdescrip;

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

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

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

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;

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

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

        document.codeform.id.value = mc;
        document.codeform.info.value = infotext;
        document.codeform.weight.value = weight;
        document.codeform.prodname.value = 'PBV Series';
        document.codeform.prodseries.value = 'Plastic Ball Valve';


   var psummary = 'price = base:'+baseprice+'<br> act:'+actprice+'<br>con:'+conprice+'<br> mount:'+mountprice+'<br> sol:'+solprice+'<br> lim:'+limprice+'<br> pos:'+posprice+'<br> chainwheel:'+cwprice+'<br> chain:'+chainprice+'<br> stem extension:'+seprice;
   var wsummary = 'weight = base:'+baseweight+'<br> act:'+actweight+'<br> mount:'+mountweight+'<br> sol:'+solweight+'<br> lim:'+limweight+'<br> pos:'+posweight+'<br> chainwheel:'+cwweight+'<br> chain:'+chainweight+'<br> stem ext:'+seweight+'<br><b>TOTAL: </b>'+weight+' lbs.';



   document.getElementById('infospan').innerHTML = "<table class='small'><tr><td align='left'><span class='Headertextcart'>PBV Series Plastic 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 imgbl = new Image();
imgbl.src = "http://dev2.assuredautomation.com/PBV/models/"+pic+".jpg";

        document.images[ "mainimg" ].src = eval( "imgbl.src" )
		
} // END changeCode() FUNCTION